The dechunk filter in PHP 5.3 through 5.3.2, when decoding an HTTP chunked encoding stream, allows context-dependent attackers to cause a denial of service (crash) and possibly trigger memory corruption via a negative chunk size, which bypasses a signed comparison, related to an integer overflow in the chunk size decoder.

PHP was updated to version 5.3.3 to fix serveral security issues.

(CVE-2010-0397, CVE-2010-1860, CVE-2010-1862, CVE-2010-1864, CVE-2010-1866, CVE-2010-1914, CVE-2010-1915, CVE-2010-1917, CVE-2010-2093, CVE-2010-2094, CVE-2010-2097, CVE-2010-2100, CVE-2010-2101, CVE-2010-2190, CVE-2010-2191, CVE-2010-2225, CVE-2010-2531, CVE-2010-2950, CVE-2010-3062, CVE-2010-3063, CVE-2010-3064, CVE-2010-3065)

The remote host is affected by the vulnerability described in GLSA-201110-06 (PHP: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in PHP. Please review the       CVE identifiers referenced below for details.
  Impact :

    A context-dependent attacker could execute arbitrary code, obtain       sensitive information from process memory, bypass intended access       restrictions, or cause a Denial of Service in various ways.
    A remote attacker could cause a Denial of Service in various ways,       bypass spam detections, or bypass open_basedir restrictions.
  Workaround :

    There is no known workaround at this time.

PHP was updated to version 5.2.14 to fix serveral security issues :

  - CVE-2010-1860

  - CVE-2010-1862

  - CVE-2010-1864

  - CVE-2010-1914

  - CVE-2010-1915

  - CVE-2010-1917

  - CVE-2010-2093

  - CVE-2010-2094

  - CVE-2010-2097

  - CVE-2010-2100

  - CVE-2010-2101

  - CVE-2010-2190

  - CVE-2010-2191

  - CVE-2010-2225

  - CVE-2010-2484

  - CVE-2010-2531

  - CVE-2010-3062

  - CVE-2010-3063

  - CVE-2010-3064

  - CVE-2010-3065

Auke van Slooten discovered that PHP incorrectly handled certain xmlrpc requests. An attacker could exploit this issue to cause the PHP server to crash, resulting in a denial of service. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 9.04 and 9.10. (CVE-2010-0397)

It was discovered that the pseudorandom number generator in PHP did not provide the expected entropy. An attacker could exploit this issue to predict values that were intended to be random, such as session cookies. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 9.04 and 9.10. (CVE-2010-1128)

It was discovered that PHP did not properly handle directory pathnames that lacked a trailing slash character. An attacker could exploit this issue to bypass safe_mode restrictions. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 9.04 and 9.10. (CVE-2010-1129)

Grzegorz Stachowiak discovered that the PHP session extension did not properly handle semicolon characters. An attacker could exploit this issue to bypass safe_mode restrictions. This issue only affected Ubuntu 8.04 LTS, 9.04 and 9.10. (CVE-2010-1130)

Stefan Esser discovered that PHP incorrectly decoded remote HTTP chunked encoding streams. An attacker could exploit this issue to cause the PHP server to crash and possibly execute arbitrary code with application privileges. This issue only affected Ubuntu 10.04 LTS.
(CVE-2010-1866)

Mateusz Kocielski discovered that certain PHP SQLite functions incorrectly handled empty SQL queries. An attacker could exploit this issue to possibly execute arbitrary code with application privileges.
(CVE-2010-1868)

Mateusz Kocielski discovered that PHP incorrectly handled certain arguments to the fnmatch function. An attacker could exploit this flaw and cause the PHP server to consume all available stack memory, resulting in a denial of service. (CVE-2010-1917)

Stefan Esser discovered that PHP incorrectly handled certain strings in the phar extension. An attacker could exploit this flaw to possibly view sensitive information. This issue only affected Ubuntu 10.04 LTS.
(CVE-2010-2094, CVE-2010-2950)

Stefan Esser discovered that PHP incorrectly handled deserialization of SPLObjectStorage objects. A remote attacker could exploit this issue to view sensitive information and possibly execute arbitrary code with application privileges. This issue only affected Ubuntu 8.04 LTS, 9.04, 9.10 and 10.04 LTS. (CVE-2010-2225)

It was discovered that PHP incorrectly filtered error messages when limits for memory, execution time, or recursion were exceeded. A remote attacker could exploit this issue to possibly view sensitive information. (CVE-2010-2531)

Stefan Esser discovered that the PHP session serializer incorrectly handled the PS_UNDEF_MARKER marker. An attacker could exploit this issue to alter arbitrary session variables. (CVE-2010-3065).

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.

ID	Name	Product	Family	Severity
75429	openSUSE Security Update : apache2-mod_php5 (openSUSE-SU-2010:0599-1)	Nessus	SuSE Local Security Checks	high
56459	GLSA-201110-06 : PHP: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	critical
50890	SuSE 11 / 11.1 Security Update : Apache 2 (SAT Patch Numbers 2880 / 2881)	Nessus	SuSE Local Security Checks	high
49306	Ubuntu 6.06 LTS / 8.04 LTS / 9.04 / 9.10 / 10.04 LTS : php5 vulnerabilities (USN-989-1)	Nessus	Ubuntu Local Security Checks	high
49210	openSUSE Security Update : apache2-mod_php5 (openSUSE-SU-2010:0599-1)	Nessus	SuSE Local Security Checks	high

Detections

Analytics

CVE-2010-1866

critical

Tenable Plugins

high

critical

high

high

high