Multiple integer overflows in the chunk_split function in PHP 5 before 5.2.3 and PHP 4 before 4.4.8 allow remote attackers to cause a denial of service (crash) or execute arbitrary code via the (1) chunks, (2) srclen, and (3) chunklen arguments.

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2007-0890 advisory.

    [5.1.6-15.el5]
     - improve fix for CVE-2007-3997 (#278411)

     [5.1.6-14.el5]
     - fix backport for CVE-2007-3996 (#278411)

     [5.1.6-13.el5]
     - add security fixes for CVE-2007-2756, CVE-2007-2872,        CVE-2007-3799, CVE-2007-3996, CVE-2007-3998, CVE-2007-4658,        CVE-2007-4670 (#278411)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

From Red Hat Security Advisory 2007:0889 :

Updated PHP packages that fix several security issues are now available for Red Hat Enterprise Linux 3.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Web server.

These updated packages address the following vulnerabilities :

Various integer overflow flaws were found in the PHP gd extension script that could be forced to resize images from an untrusted source, possibly allowing a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_split function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A flaw was found in the PHP money_format function. If a remote attacker was able to pass arbitrary data to the money_format function this could possibly result in an information leak or denial of service. Note that it is unusual for a PHP script to pass user-supplied data to the money_format function. (CVE-2007-4658)

A flaw was found in the PHP wordwrap function. If a remote attacker was able to pass arbitrary data to the wordwrap function this could possibly result in a denial of service. (CVE-2007-3998)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

An infinite-loop flaw was discovered in the PHP gd extension. A script that could be forced to process PNG images from an untrusted source could allow a remote attacker to cause a denial of service.
(CVE-2007-2756)

A flaw was found in the PHP 'ftp' extension. If a PHP script used this extension to provide access to a private FTP server, and passed untrusted script input directly to any function provided by this extension, a remote attacker would be able to send arbitrary FTP commands to the server. (CVE-2007-2509)

Users of PHP should upgrade to these updated packages, which contain backported patches to correct these issues.

Various integer overflow flaws were found in the PHP gd extension script that could be forced to resize images from an untrusted source, possibly allowing a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_split function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A flaw was found in the PHP money_format function. If a remote attacker was able to pass arbitrary data to the money_format function this could possibly result in an information leak or denial of service. Note that it is unusual for a PHP script to pass user-supplied data to the money_format function. (CVE-2007-4658)

A flaw was found in the PHP wordwrap function. If a remote attacker was able to pass arbitrary data to the wordwrap function this could possibly result in a denial of service. (CVE-2007-3998)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

An infinite-loop flaw was discovered in the PHP gd extension. A script that could be forced to process PNG images from an untrusted source could allow a remote attacker to cause a denial of service.
(CVE-2007-2756)

A flaw was found in the PHP 'ftp' extension. If a PHP script used this extension to provide access to a private FTP server, and passed untrusted script input directly to any function provided by this extension, a remote attacker would be able to send arbitrary FTP commands to the server. (CVE-2007-2509)

Various integer overflow flaws were found in the PHP gd extension. A script that could be forced to resize images from an untrusted source could possibly allow a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_script function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A flaw was found in the PHP money_format function. If a remote attacker was able to pass arbitrary data to the money_format function this could possibly result in an information leak or denial of service. Note that is is unusual for a PHP script to pass user-supplied data to the money_format function. (CVE-2007-4658)

A flaw was found in the PHP wordwrap function. If a remote attacker was able to pass arbitrary data to the wordwrap function this could possibly result in a denial of service. (CVE-2007-3998)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

An infinite-loop flaw was discovered in the PHP gd extension. A script that could be forced to process PNG images from an untrusted source could allow a remote attacker to cause a denial of service.
(CVE-2007-2756)

This update fixes multiple bugs in php :

  - several problems in pcre (CVE-2007-1660, CVE-2006-7225,     CVE-2006-7224, CVE-2006-7226 CVE-2007-1659,     CVE-2006-7230)

  - Flaws in processing multi byte sequences in     htmlentities/htmlspecialchars. (CVE-2007-5898)

  - overly long arguments to the dl() function could crash     php. (CVE-2007-4825)

  - overy long arguments to the glob() function could crash     php. (CVE-2007-4782)

  - overly long arguments to some iconv functions could     crash php. (CVE-2007-4840)

  - overy long arguments to the setlocale() function could     crash php. (CVE-2007-4784)

  - the wordwrap-Function could cause a floating point     exception. (CVE-2007-3998)

  - overy long arguments to the fnmatch() function could     crash php. (CVE-2007-4782)

  - incorrect size calculation in the chunk_split function     could lead to a buffer overflow. (CVE-2007-4661,     CVE-2007-2872)

  - Flaws in the GD extension could lead to integer     overflows. (CVE-2007-3996)

  - The money_format function contained format string flaws.
    (CVE-2007-4658)

New php-4.4.8 packages are available for Slackware 10.2 and 11.0 to fix security issues.

This update fixes multiple bugs in php by upgrading it to version 5.2.5.

  - Flaws in processing multi byte sequences in     htmlentities/htmlspecialchars (CVE-2007-5898)

  - overly long arguments to the dl() function could crash     php (CVE-2007-4825)

  - overy long arguments to the glob() function could crash     php (CVE-2007-4782)

  - overly long arguments to some iconv functions could     crash php (CVE-2007-4840)

  - overy long arguments to the setlocale() function could     crash php (CVE-2007-4784)

  - the wordwrap-Function could cause a floating point     exception (CVE-2007-3998)

  - overy long arguments to the fnmatch() function could     crash php (CVE-2007-4782)

  - incorrect size calculation in the chunk_split function     could lead to a buffer overflow (CVE-2007-4661,     CVE-2007-2872)

  - Flaws in the GD extension could lead to integer     overflows (CVE-2007-3996)

  - The money_format function contained format string flaws     (CVE-2007-4658)

  - Data for some time zones has been updated

  - php5 has been updated to version 5.2.5 to fix those     problems

The following issues have been fixed :

  - missing open_basedir and safe_mode restriction.
    (CVE-2007-3007)

  - chunk_split() integer overflow. (CVE-2007-2872)

  - DoS condition in libgd's image processing.
    (CVE-2007-2756)

  - possible super-global overwrite inside     import_request_variables(). (CVE-2007-1396)

  - buffer overflow inside user_filter_factory_create().
    (CVE-2007-2511)

  - remotely trigger-able buffer overflow inside bundled     libxmlrpc. (CVE-2007-1864)

  - CRLF injection inside ftp_putcmd(). (CVE-2007-2509)

  - remotely trigger-able buffer overflow inside     make_http_soap_request(). (CVE-2007-2510)

  - MOPB-41-2007:PHP 5 sqlite_udf_decode_binary() Buffer     Overflow Vulnerability. (CVE-2007-0906)

  - MOPB-03-2007: deep recursion DoS (CVE-2007-1285)

USN-549-1 fixed vulnerabilities in PHP. However, some upstream changes were incomplete, which caused crashes in certain situations with Ubuntu 7.10. This update fixes the problem.

We apologize for the inconvenience.

It was discovered that the wordwrap function did not correctly check lengths. Remote attackers could exploit this to cause a crash or monopolize CPU resources, resulting in a denial of service.
(CVE-2007-3998)

Integer overflows were discovered in the strspn and strcspn functions. Attackers could exploit this to read arbitrary areas of memory, possibly gaining access to sensitive information. (CVE-2007-4657)

Stanislav Malyshev discovered that money_format function did not correctly handle certain tokens. If a PHP application were tricked into processing a bad format string, a remote attacker could execute arbitrary code with application privileges. (CVE-2007-4658)

It was discovered that the php_openssl_make_REQ function did not correctly check buffer lengths. A remote attacker could send a specially crafted message and execute arbitrary code with application privileges. (CVE-2007-4662)

It was discovered that certain characters in session cookies were not handled correctly. A remote attacker could injection values which could lead to altered application behavior, potentially gaining additional privileges.
(CVE-2007-3799)

Gerhard Wagner discovered that the chunk_split function did not correctly handle long strings. A remote attacker could exploit this to execute arbitrary code with application privileges. (CVE-2007-2872, CVE-2007-4660, CVE-2007-4661)

Stefan Esser discovered that deeply nested arrays could be made to fill stack space. A remote attacker could exploit this to cause a crash or monopolize CPU resources, resulting in a denial of service. (CVE-2007-1285, CVE-2007-4670)

Rasmus Lerdorf discovered that the htmlentities and htmlspecialchars functions did not correctly stop when handling partial multibyte sequences. A remote attacker could exploit this to read certain areas of memory, possibly gaining access to sensitive information. (CVE-2007-5898)

It was discovered that the output_add_rewrite_var fucntion would sometimes leak session id information to forms targeting remote URLs. Malicious remote sites could use this information to gain access to a PHP application user's login credentials. (CVE-2007-5899).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It was discovered that the wordwrap function did not correctly check lengths. Remote attackers could exploit this to cause a crash or monopolize CPU resources, resulting in a denial of service.
(CVE-2007-3998)

Integer overflows were discovered in the strspn and strcspn functions.
Attackers could exploit this to read arbitrary areas of memory, possibly gaining access to sensitive information. (CVE-2007-4657)

Stanislav Malyshev discovered that money_format function did not correctly handle certain tokens. If a PHP application were tricked into processing a bad format string, a remote attacker could execute arbitrary code with application privileges. (CVE-2007-4658)

It was discovered that the php_openssl_make_REQ function did not correctly check buffer lengths. A remote attacker could send a specially crafted message and execute arbitrary code with application privileges. (CVE-2007-4662)

It was discovered that certain characters in session cookies were not handled correctly. A remote attacker could injection values which could lead to altered application behavior, potentially gaining additional privileges. (CVE-2007-3799)

Gerhard Wagner discovered that the chunk_split function did not correctly handle long strings. A remote attacker could exploit this to execute arbitrary code with application privileges. (CVE-2007-2872, CVE-2007-4660, CVE-2007-4661)

Stefan Esser discovered that deeply nested arrays could be made to fill stack space. A remote attacker could exploit this to cause a crash or monopolize CPU resources, resulting in a denial of service.
(CVE-2007-1285, CVE-2007-4670)

Rasmus Lerdorf discovered that the htmlentities and htmlspecialchars functions did not correctly stop when handling partial multibyte sequences. A remote attacker could exploit this to read certain areas of memory, possibly gaining access to sensitive information.
(CVE-2007-5898)

It was discovered that the output_add_rewrite_var fucntion would sometimes leak session id information to forms targeting remote URLs.
Malicious remote sites could use this information to gain access to a PHP application user's login credentials. (CVE-2007-5899).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update includes the latest release of PHP 5.2.

A number of security issues have been fixed.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Updated PHP packages that fix several security issues are now available for Red Hat Enterprise Linux 2.1

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Web server.

Various integer overflow flaws were found in the PHP gd extension. A script that could be forced to resize images from an untrusted source could possibly allow a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_script function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

A flaw was found in the PHP 'ftp' extension. If a PHP script used this extension to provide access to a private FTP server, and passed untrusted script input directly to any function provided by this extension, a remote attacker would be able to send arbitrary FTP commands to the server. (CVE-2007-2509)

Users of PHP should upgrade to these updated packages which contain backported patches to correct these issues.

The following issues have been fixed in PHP, which were spotted by the MOPB project or fixed in PHP 5.2.3 release :

  - missing open_basedir and safe_mode restriction     (CVE-2007-3007)

  - chunk_split() integer overflow (CVE-2007-2872)

  - DoS condition in libgd's image processing     (CVE-2007-2756)

  - possible super-global overwrite inside     import_request_variables() (CVE-2007-1396)

  - buffer overflow inside user_filter_factory_create()     (CVE-2007-2511)

  - remotely trigger-able buffer overflow inside bundled     libxmlrpc (CVE-2007-1864)

  - CRLF injection inside ftp_putcmd() (CVE-2007-2509)

  - remotely trigger-able buffer overflow inside     make_http_soap_request() (CVE-2007-2510)

  - MOPB-41-2007:PHP 5 sqlite_udf_decode_binary() Buffer     Overflow Vulnerability (CVE-2007-0906)

  - MOPB-03-2007: deep recursion DoS (CVE-2007-1285)

The remote host is affected by the vulnerability described in GLSA-200710-02 (PHP: Multiple vulnerabilities)

    Several vulnerabilities were found in PHP. Mattias Bengtsson and Philip     Olausson reported integer overflows in the gdImageCreate() and     gdImageCreateTrueColor() functions of the GD library which can cause     heap-based buffer overflows (CVE-2007-3996). Gerhard Wagner discovered     an integer overflow in the chunk_split() function that can lead to a     heap-based buffer overflow (CVE-2007-2872). Its incomplete fix caused     incorrect buffer size calculation due to precision loss, also resulting     in a possible heap-based buffer overflow (CVE-2007-4661 and     CVE-2007-4660). A buffer overflow in the sqlite_decode_binary() of the     SQLite extension found by Stefan Esser that was addressed in PHP 5.2.1     was not fixed correctly (CVE-2007-1887).
    Stefan Esser discovered an error in the zend_alter_ini_entry() function     handling a memory_limit violation (CVE-2007-4659). Stefan Esser also     discovered a flaw when handling interruptions with userspace error     handlers that can be exploited to read arbitrary heap memory     (CVE-2007-1883). Disclosure of sensitive memory can also be triggered     due to insufficient boundary checks in the strspn() and strcspn()     functions, an issue discovered by Mattias Bengtsson and Philip Olausson     (CVE-2007-4657)     Stefan Esser reported incorrect validation in the FILTER_VALIDATE_EMAIL     filter of the Filter extension allowing arbitrary email header     injection (CVE-2007-1900). NOTE: This CVE was referenced, but not fixed     in GLSA 200705-19.
    Stanislav Malyshev found an error with unknown impact in the     money_format() function when processing '%i' and '%n' tokens     (CVE-2007-4658). zatanzlatan reported a buffer overflow in the     php_openssl_make_REQ() function with unknown impact when providing a     manipulated SSL configuration file (CVE-2007-4662). Possible memory     corruption when trying to read EXIF data in exif_read_data() and     exif_thumbnail() occurred with unknown impact.
    Several vulnerabilities that allow bypassing of open_basedir and other     restrictions were reported, including the glob() function     (CVE-2007-4663), the session_save_path(), ini_set(), and error_log()     functions which can allow local command execution (CVE-2007-3378),     involving the readfile() function (CVE-2007-3007), via the Session     extension (CVE-2007-4652), via the MySQL extension (CVE-2007-3997) and     in the dl() function which allows loading extensions outside of the     specified directory (CVE-2007-4825).
    Multiple Denial of Service vulnerabilities were discovered, including a     long 'library' parameter in the dl() function (CVE-2007-4887), in     several iconv and xmlrpc functions (CVE-2007-4840 and CVE-2007-4783),     in the setlocale() function (CVE-2007-4784), in the glob() and     fnmatch() function (CVE-2007-4782 and CVE-2007-3806), a floating point     exception in the wordwrap() function (CVE-2007-3998), a stack     exhaustion via deeply nested arrays (CVE-2007-4670), an infinite loop     caused by a specially crafted PNG image in the png_read_info() function     of libpng (CVE-2007-2756) and several issues related to array     conversion.
  Impact :

    Remote attackers might be able to exploit these issues in PHP     applications making use of the affected functions, potentially     resulting in the execution of arbitrary code, Denial of Service,     execution of scripted contents in the context of the affected site,     security bypass or information leak.
  Workaround :

    There is no known workaround at this time.

Updated PHP packages that fix several security issues are now available for Red Hat Enterprise Linux 3.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Web server.

These updated packages address the following vulnerabilities :

Various integer overflow flaws were found in the PHP gd extension script that could be forced to resize images from an untrusted source, possibly allowing a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_split function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A flaw was found in the PHP money_format function. If a remote attacker was able to pass arbitrary data to the money_format function this could possibly result in an information leak or denial of service. Note that it is unusual for a PHP script to pass user-supplied data to the money_format function. (CVE-2007-4658)

A flaw was found in the PHP wordwrap function. If a remote attacker was able to pass arbitrary data to the wordwrap function this could possibly result in a denial of service. (CVE-2007-3998)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

An infinite-loop flaw was discovered in the PHP gd extension. A script that could be forced to process PNG images from an untrusted source could allow a remote attacker to cause a denial of service.
(CVE-2007-2756)

A flaw was found in the PHP 'ftp' extension. If a PHP script used this extension to provide access to a private FTP server, and passed untrusted script input directly to any function provided by this extension, a remote attacker would be able to send arbitrary FTP commands to the server. (CVE-2007-2509)

Users of PHP should upgrade to these updated packages, which contain backported patches to correct these issues.

This update fixes a number of security issues in PHP :

  - various integer overflow flaws were found in the PHP gd     extension. A script that could be forced to resize     images from an untrusted source could possibly allow a     remote attacker to execute arbitrary code as the apache     user. (CVE-2007-3996)

  - an integer overflow flaw was found in the PHP     chunk_split function. If a remote attacker was able to     pass arbitrary data to the third argument of chunk_split     they could possibly execute arbitrary code as the apache     user. Note that it is unusual for a PHP script to use     the chunk_script function with a user-supplied third     argument. (CVE-2007-2872)

  - a previous security update introduced a bug into PHP     session cookie handling. This could allow an attacker to     stop a victim from viewing a vulnerable website if the     victim has first visited a malicious web page under the     control of the attacker, and that page can set a cookie     for the vulnerable website. (CVE-2007-4670)

  - a flaw was found in the PHP money_format function. If a     remote attacker was able to pass arbitrary data to the     money_format function this could possibly result in an     information leak or denial of service. Note that is is     unusual for a PHP script to pass user-supplied data to     the money_format function. (CVE-2007-4658)

  - a flaw was found in the PHP wordwrap function. If a     remote attacker was able to pass arbitrary data to the     wordwrap function this could possibly result in a denial     of service. (CVE-2007-3998)

  - a bug was found in PHP session cookie handling. This     could allow an attacker to create a cross-site cookie     insertion attack if a victim follows an untrusted     carefully-crafted URL. (CVE-2007-3799)

  - an infinite-loop flaw was discovered in the PHP gd     extension. A script that could be forced to process PNG     images from an untrusted source could allow a remote     attacker to cause a denial of service. (CVE-2007-2756)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 4 / 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2007:0890 advisory.

  - gd / php-gd ImageCreateFromPng infinite loop caused by truncated PNG (CVE-2007-2756)

  - php chunk_split integer overflow (CVE-2007-2872)

  - php cross-site cookie insertion (CVE-2007-3799)

  - php multiple integer overflows in gd (CVE-2007-3996)

  - php floating point exception inside wordwrap (CVE-2007-3998)

  - php money_format format string issue (CVE-2007-4658)

  - php malformed cookie handling (CVE-2007-4670)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Numerous vulnerabilities were discovered in the PHP scripting language that are corrected with this update.

An integer overflow in the substr_compare() function allows context-dependent attackers to read sensitive memory via a large value in the length argument. This only affects PHP5 (CVE-2007-1375).

A stack-based buffer overflow in the zip:// URI wrapper in PECL ZIP 1.8.3 and earlier allowes remote attackers to execute arbitrary code via a long zip:// URL. This only affects Corporate Server 4.0 (CVE-2007-1399).

A CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter could allow an attacker to inject arbitrary email headers via a special email address. This only affects Mandriva Linux 2007.1 (CVE-2007-1900).

The mcrypt_create_iv() function calls php_rand_r() with an uninitialized seed variable, thus always generating the same initialization vector, which may allow an attacker to decrypt certain data more easily because of the guessable encryption keys (CVE-2007-2727).

The soap extension calls php_rand_r() with an uninitialized seec variable, which has unknown impact and attack vectors; an issue similar to that affecting mcrypt_create_iv(). This only affects PHP5 (CVE-2007-2728).

The substr_count() function allows attackers to obtain sensitive information via unspecified vectors. This only affects PHP5 (CVE-2007-2748).

An infinite loop was found in the gd extension that could be used to cause a denial of service if a script were forced to process certain PNG images from untrusted sources (CVE-2007-2756).

An integer overflow flaw was found in the chunk_split() function that ould possibly execute arbitrary code as the apache user if a remote attacker was able to pass arbitrary data to the third argument of chunk_split() (CVE-2007-2872).

A flaw in the PHP session cookie handling could allow an attacker to create a cross-site cookie insertion attack if a victim followed an untrusted carefully-crafted URL (CVE-2007-3799).

Various integer overflow flaws were discovered in the PHP gd extension that could allow a remote attacker to execute arbitrary code as the apache user (CVE-2007-3996).

A flaw in the wordwrap() frunction could result in a denial of ervice if a remote attacker was able to pass arbitrary data to the function (CVE-2007-3998).

A flaw in the money_format() function could result in an information leak or denial of service if a remote attacker was able to pass arbitrary data to this function; this situation would be unlikely however (CVE-2007-4658).

A bug in the PHP session cookie handling could allow an attacker to stop a victim from viewing a vulnerable website if the victim first visited a malicious website under the control of the attacker who was able to use that page to set a cookie for the vulnerable website (CVE-2007-4670).

Updated packages have been patched to prevent these issues. In addition, PECL ZIP version 1.8.10 is being provided for Corporate Server 4.0.

Updated PHP packages that fix several security issues are now available for Red Hat Enterprise Linux 4 and 5.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Web server.

Various integer overflow flaws were found in the PHP gd extension. A script that could be forced to resize images from an untrusted source could possibly allow a remote attacker to execute arbitrary code as the apache user. (CVE-2007-3996)

An integer overflow flaw was found in the PHP chunk_split function. If a remote attacker was able to pass arbitrary data to the third argument of chunk_split they could possibly execute arbitrary code as the apache user. Note that it is unusual for a PHP script to use the chunk_script function with a user-supplied third argument.
(CVE-2007-2872)

A previous security update introduced a bug into PHP session cookie handling. This could allow an attacker to stop a victim from viewing a vulnerable website if the victim has first visited a malicious web page under the control of the attacker, and that page can set a cookie for the vulnerable website. (CVE-2007-4670)

A flaw was found in the PHP money_format function. If a remote attacker was able to pass arbitrary data to the money_format function this could possibly result in an information leak or denial of service. Note that is is unusual for a PHP script to pass user-supplied data to the money_format function. (CVE-2007-4658)

A flaw was found in the PHP wordwrap function. If a remote attacker was able to pass arbitrary data to the wordwrap function this could possibly result in a denial of service. (CVE-2007-3998)

A bug was found in PHP session cookie handling. This could allow an attacker to create a cross-site cookie insertion attack if a victim follows an untrusted carefully-crafted URL. (CVE-2007-3799)

An infinite-loop flaw was discovered in the PHP gd extension. A script that could be forced to process PNG images from an untrusted source could allow a remote attacker to cause a denial of service.
(CVE-2007-2756)

Users of PHP should upgrade to these updated packages, which contain backported patches to correct these issues.

The PHP development team reports :

Security Enhancements and Fixes in PHP 5.2.4 :

- Fixed a floating point exception inside wordwrap() (Reported by Mattias Bengtsson)

- Fixed several integer overflows inside the GD extension (Reported by Mattias Bengtsson)

- Fixed size calculation in chunk_split() (Reported by Gerhard Wagner)

- Fixed integer overflow in str[c]spn(). (Reported by Mattias Bengtsson)

- Fixed money_format() not to accept multiple %i or %n tokens.
(Reported by Stanislav Malyshev)

- Fixed zend_alter_ini_entry() memory_limit interruption vulnerability. (Reported by Stefan Esser)

- Fixed INFILE LOCAL option handling with MySQL extensions not to be allowed when open_basedir or safe_mode is active. (Reported by Mattias Bengtsson)

- Fixed session.save_path and error_log values to be checked against open_basedir and safe_mode (CVE-2007-3378) (Reported by Maksymilian Arciemowicz)

- Fixed a possible invalid read in glob() win32 implementation (CVE-2007-3806) (Reported by shinnai)

- Fixed a possible buffer overflow in php_openssl_make_REQ (Reported by zatanzlatan at hotbrev dot com)

- Fixed an open_basedir bypass inside glob() function (Reported by dr at peytz dot dk)

- Fixed a possible open_basedir bypass inside session extension when the session file is a symlink (Reported by c dot i dot morris at durham dot ac dot uk)

- Improved fix for MOPB-03-2007.

- Corrected fix for CVE-2007-2872.

According to its banner, the version of PHP installed on the remote host is older than 5.2.4.  Such versions may be affected by various issues, including but not limited to several overflows.

The remote host is running a version of PHP 5.x prior to 5.2.4. This version of PHP is vulnerable to at least 120 distinct security flaws impacting confidentiality, integrity and availability. 

According to its banner, the version of PHP 5.x installed on the remote host is older than 5.2.3.  Such versions may be affected by several issues including an integer overflow, 'safe_mode' and 'open_basedir' bypass, and a denial of service vulnerability.

New php5 packages are available for Slackware 10.2, 11.0, and
-current to fix security issues. PHP5 was considered a test package in Slackware 10.2, and an 'extra' package in Slackware 11.0. If you are currently running PHP4 you may wish to stick with that, as upgrading to PHP5 will probably require changes to your system's configuration and/or web code.

According to its banner, the version of PHP installed on the remote host is older than 5.2.3. It is, therefore, affected by multiple vulnerabilities:

  - A buffer overflow in the sqlite_decode_function() in     the bundled sqlite library could allow context-dependent     attackers to execute arbitrary code. (CVE-2007-1887)

  - A CRLF injection vulnerability in the     FILTER_VALIDATE_EMAIL filter could allow an attacker to     inject arbitrary email headers via a special email     address. This only affects Mandriva Linux 2007.1.
    (CVE-2007-1900)

  - An infinite-loop flaw was discovered in the PHP gd     extension. A script that could be forced to process PNG     images from an untrusted source could allow a remote     attacker to cause a denial of service. (CVE-2007-2756)

  - An integer overflow flaw was found in the     chunk_split() function that ould possibly execute     arbitrary code as the apache user if a remote attacker     was able to pass arbitrary data to the third argument of     chunk_split() (CVE-2007-2872).

  - An open_basedir and safe_mode restriction bypass which     could allow context-dependent attackers to determine the     existence of arbitrary files. (CVE-2007-3007)

According to its banner, the version of PHP installed on the remote host is older than 5.2.3.  Such versions may be affected by several issues including an integer overflow, 'safe_mode' and 'open_basedir' bypass, and a denial of service vulnerability.

The remote host is running a version of PHP prior to 5.2.4.  This version of PHP is vulnerable to at least 120 distinct security flaws impacting confidentiality, integrity and availability.

ID	Name	Product	Family	Severity
67570	Oracle Linux 5 : Moderate: / php (ELSA-2007-0890)	Nessus	Oracle Linux Local Security Checks	high
67569	Oracle Linux 3 : php (ELSA-2007-0889)	Nessus	Oracle Linux Local Security Checks	high
60257	Scientific Linux Security Update : php on SL3.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	high
60255	Scientific Linux Security Update : php on SL5.x, SL4.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	high
41187	SuSE9 Security Update : PHP4 (YOU Patch Number 12049)	Nessus	SuSE Local Security Checks	high
31101	Slackware 10.2 / 11.0 : php (SSA:2008-045-03)	Nessus	Slackware Local Security Checks	high
30092	openSUSE 10 Security Update : apache2-mod_php5 (apache2-mod_php5-4909)	Nessus	SuSE Local Security Checks	high
29552	SuSE 10 Security Update : PHP5 (ZYPP Patch Number 3754)	Nessus	SuSE Local Security Checks	high
29213	Ubuntu 7.10 : php5 regression (USN-549-2)	Nessus	Ubuntu Local Security Checks	high
28372	Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : php5 vulnerabilities (USN-549-1)	Nessus	Ubuntu Local Security Checks	high
27759	Fedora 7 : php-5.2.4-1.fc7 (2007-2215)	Nessus	Fedora Local Security Checks	high
27564	RHEL 2.1 : php (RHSA-2007:0888)	Nessus	Red Hat Local Security Checks	medium
27392	openSUSE 10 Security Update : php5 (php5-3753)	Nessus	SuSE Local Security Checks	high
27391	openSUSE 10 Security Update : php5 (php5-3745)	Nessus	SuSE Local Security Checks	high
26942	GLSA-200710-02 : PHP: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
26204	CentOS 3 : php (CESA-2007:0889)	Nessus	CentOS Local Security Checks	high
26191	RHEL 3 : php (RHSA-2007:0889)	Nessus	Red Hat Local Security Checks	high
26115	Fedora Core 6 : php-5.1.6-3.7.fc6 (2007-709)	Nessus	Fedora Local Security Checks	high
26110	RHEL 4 / 5 : php (RHSA-2007:0890)	Nessus	Red Hat Local Security Checks	high
26107	Mandrake Linux Security Advisory : php (MDKSA-2007:187)	Nessus	Mandriva Local Security Checks	critical
26075	CentOS 4 / 5 : php (CESA-2007:0890)	Nessus	CentOS Local Security Checks	high
26038	FreeBSD : php -- multiple vulnerabilities (71d903fc-602d-11dc-898c-001921ab2fa4)	Nessus	FreeBSD Local Security Checks	high
25971	PHP < 5.2.4 Multiple Vulnerabilities	Nessus	CGI abuses	medium
4202	PHP 5.x < 5.2.4 Multiple Vulnerabilities	Nessus Network Monitor	Web Servers	high
4074	PHP 5.x < 5.2.3 Multiple Vulnerabilities	Nessus Network Monitor	Web Servers	medium
25373	Slackware 10.2 / 11.0 / current : php5 (SSA:2007-152-01)	Nessus	Slackware Local Security Checks	medium
25368	PHP < 5.2.3 Multiple Vulnerabilities	Nessus	CGI abuses	high
801114	PHP < 5.2.3 Multiple Vulnerabilities	Log Correlation Engine	Web Servers	medium
801099	PHP < 5.2.4 Multiple Vulnerabilities	Log Correlation Engine	Web Servers	medium

Detections

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CVE-2007-2872

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