According to the versions of the syslinux packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    The png_format_buffer function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x     before 1.4.8, and 1.5.x before 1.5.4 allows remote attackers to cause a denial of service (application     crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message     data.  NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-     by-one error by some sources.(CVE-2011-2501)

    Buffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before     1.5.4, when used by an application that calls the png_rgb_to_gray function but not the png_set_expand     function, allows remote attackers to overwrite memory with an arbitrary amount of data, and possibly have     unspecified other impact, via a crafted PNG image.(CVE-2011-2690)

    The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8,     and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string     argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG     image.(CVE-2011-2691)

    The png_handle_sCAL function in pngrutil.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x     before 1.4.8, and 1.5.x before 1.5.4 does not properly handle invalid sCAL chunks, which allows remote     attackers to cause a denial of service (memory corruption and application crash) or possibly have     unspecified other impact via a crafted PNG image that triggers the reading of uninitialized     memory.(CVE-2011-2692)

    Integer signedness error in the png_inflate function in pngrutil.c in libpng before 1.4.10beta01, as used     in Google Chrome before 17.0.963.83 and other products, allows remote attackers to cause a denial of     service (application crash) or possibly execute arbitrary code via a crafted PNG file, a different     vulnerability than CVE-2011-3026.(CVE-2011-3045)

    The png_set_text_2 function in pngset.c in libpng 1.0.x before 1.0.59, 1.2.x before 1.2.49, 1.4.x before     1.4.11, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (crash) or execute     arbitrary code via a crafted text chunk in a PNG image file, which triggers a memory allocation failure     that is not properly handled, leading to a heap-based buffer overflow.(CVE-2011-3048)

    The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x     before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds     read) via a large avail_in field value in a PNG image.(CVE-2012-3425)

    The png_convert_to_rfc1123 function in png.c in libpng 1.0.x before 1.0.64, 1.2.x before 1.2.54, and 1.4.x     before 1.4.17 allows remote attackers to obtain sensitive process memory information via crafted tIME     chunk data in an image file, which triggers an out-of-bounds read.(CVE-2015-7981)

    Multiple buffer overflows in the (1) png_set_PLTE and (2) png_get_PLTE functions in libpng before 1.0.64,     1.1.x and 1.2.x before 1.2.54, 1.3.x and 1.4.x before 1.4.17, 1.5.x before 1.5.24, and 1.6.x before 1.6.19     allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other     impact via a small bit-depth value in an IHDR (aka image header) chunk in a PNG image.(CVE-2015-8126)

    Buffer overflow in the png_set_PLTE function in libpng before 1.0.65, 1.1.x and 1.2.x before 1.2.55,     1.3.x, 1.4.x before 1.4.18, 1.5.x before 1.5.25, and 1.6.x before 1.6.20 allows remote attackers to cause     a denial of service (application crash) or possibly have unspecified other impact via a small bit-depth     value in an IHDR (aka image header) chunk in a PNG image.  NOTE: this vulnerability exists because of an     incomplete fix for CVE-2015-8126.(CVE-2015-8472)

    Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x     before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26     allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image,     which triggers an out-of-bounds read.(CVE-2015-8540)

    The png_set_text_2 function in libpng 0.71 before 1.0.67, 1.2.x before 1.2.57, 1.4.x before 1.4.20, 1.5.x     before 1.5.28, and 1.6.x before 1.6.27 allows context-dependent attackers to cause a NULL pointer     dereference vectors involving loading a text chunk into a png structure, removing the text, and then     adding another text chunk to the structure.(CVE-2016-10087)

    libpng before 1.6.32 does not properly check the length of chunks against the user limit.(CVE-2017-12652)

Tenable has extracted the preceding description block directly from the EulerOS syslinux security advisory.

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

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2815-1 advisory.

    Mikulas Patocka discovered that libpng incorrectly handled certain large fields. If a user or automated     system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to     cause libpng to crash, leading to a denial of service. This issue only affected Ubuntu 12.04 LTS.
    (CVE-2012-3425)

    Qixue Xiao discovered that libpng incorrectly handled certain time values. If a user or automated system     using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause     libpng to crash, leading to a denial of service. (CVE-2015-7981)

    It was discovered that libpng incorrectly handled certain small bit-depth values. If a user or automated     system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to     cause a denial of service or execute code with the privileges of the user invoking the program.
    (CVE-2015-8126)

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

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

The remote Debian host is running a version of libpng prior to 1.2.44-1+squeeze6. It is, therefore, affected by the following vulnerabilities :

  - An out-of-bounds read error exists in the     png_push_read_zTXt() function within file pngpread.c     when decompressing PNG images. An unauthenticated,     remote attacker can exploit this, via a large 'avail_in'     field to cause a denial of service condition.
    (CVE-2012-3425)

  - A buffer overflow condition exists in the png_set_PLTE()     function within file pngset.c and the png_get_PLTE()     function within file pngget.c when handling bit-depth     values less than 8. An unauthenticated, remote attacker     can exploit this, via a specially crafted IHDR chunk     in a PNG image, to cause a denial of service or have     other unspecified impact. (CVE-2015-8472)

  - An integer underflow condition exists in the     png_check_keyword() function within file pngwutil.c. An     unauthenticated, remote attacker can exploit this, via a     specially crafted PNG image using a space character as     a keyword, to cause a denial of service condition or     other unspecified impact. (CVE-2015-8540)

An integer overflow has been fixed in libpng.

The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - libpng: underflow read in png_check_keyword() (CVE-2015-8540)

  - The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x     before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds     read) via a large avail_in field value in a PNG image. (CVE-2012-3425)

  - The png_convert_to_rfc1123 function in png.c in libpng 1.0.x before 1.0.64, 1.2.x before 1.2.54, and 1.4.x     before 1.4.17 allows remote attackers to obtain sensitive process memory information via crafted tIME     chunk data in an image file, which triggers an out-of-bounds read. (CVE-2015-7981)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

According to the versions of the syslinux packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    The png_set_text_2 function in libpng 0.71 before 1.0.67, 1.2.x before 1.2.57, 1.4.x before 1.4.20, 1.5.x     before 1.5.28, and 1.6.x before 1.6.27 allows context-dependent attackers to cause a NULL pointer     dereference vectors involving loading a text chunk into a png structure, removing the text, and then     adding another text chunk to the structure.(CVE-2016-10087)

    The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x     before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds     read) via a large avail_in field value in a PNG image.(CVE-2012-3425)

    The png_format_buffer function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x     before 1.4.8, and 1.5.x before 1.5.4 allows remote attackers to cause a denial of service (application     crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message     data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression.NOTE: this is called an off-     by-one error by some sources.(CVE-2011-2501)

    The png_handle_sCAL function in pngrutil.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x     before 1.4.8, and 1.5.x before 1.5.4 does not properly handle invalid sCAL chunks, which allows remote     attackers to cause a denial of service (memory corruption and application crash) or possibly have     unspecified other impact via a crafted PNG image that triggers the reading of uninitialized     memory.(CVE-2011-2692)

    The png_convert_to_rfc1123 function in png.c in libpng 1.0.x before 1.0.64, 1.2.x before 1.2.54, and 1.4.x     before 1.4.17 allows remote attackers to obtain sensitive process memory information via crafted tIME     chunk data in an image file, which triggers an out-of-bounds read.(CVE-2015-7981)

    The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8,     and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string     argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG     image.(CVE-2011-2691)

    Buffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before     1.5.4, when used by an application that calls the png_rgb_to_gray function but not the png_set_expand     function, allows remote attackers to overwrite memory with an arbitrary amount of data, and possibly have     unspecified other impact, via a crafted PNG image.(CVE-2011-2690)

    The png_set_text_2 function in pngset.c in libpng 1.0.x before 1.0.59, 1.2.x before 1.2.49, 1.4.x before     1.4.11, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (crash) or execute     arbitrary code via a crafted text chunk in a PNG image file, which triggers a memory allocation failure     that is not properly handled, leading to a heap-based buffer overflow.(CVE-2011-3048)

    Integer signedness error in the png_inflate function in pngrutil.c in libpng before 1.4.10beta01, as used     in Google Chrome before 17.0.963.83 and other products, allows remote attackers to cause a denial of     service (application crash) or possibly execute arbitrary code via a crafted PNG file, a different     vulnerability than CVE-2011-3026.(CVE-2011-3045)

    Multiple buffer overflows in the (1) png_set_PLTE and (2) png_get_PLTE functions in libpng before 1.0.64,     1.1.x and 1.2.x before 1.2.54, 1.3.x and 1.4.x before 1.4.17, 1.5.x before 1.5.24, and 1.6.x before 1.6.19     allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other     impact via a small bit-depth value in an IHDR (aka image header) chunk in a PNG image.(CVE-2015-8126)

    Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x     before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26     allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image,     which triggers an out-of-bounds read.(CVE-2015-8540)

    Buffer overflow in the png_set_PLTE function in libpng before 1.0.65, 1.1.x and 1.2.x before 1.2.55,     1.3.x, 1.4.x before 1.4.18, 1.5.x before 1.5.25, and 1.6.x before 1.6.20 allows remote attackers to cause     a denial of service (application crash) or possibly have unspecified other impact via a small bit-depth     value in an IHDR (aka image header) chunk in a PNG image. NOTE: this vulnerability exists because of an     incomplete fix for CVE-2015-8126.(CVE-2015-8472)

    libpng before 1.6.32 does not properly check the length of chunks against the user limit.(CVE-2017-12652)

Tenable has extracted the preceding description block directly from the EulerOS syslinux security advisory.

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

- CVE-2015-7981 Added a safety check in png_set_tIME()     (Bug report from Qixue Xiao).

  - CVE-2015-8126 Multiple buffer overflows in the (1)     png_set_PLTE and (2) png_get_PLTE functions in libpng     before 1.0.64, 1.1.x and 1.2.x before 1.2.54, 1.3.x and     1.4.x before 1.4.17, 1.5.x before 1.5.24, and 1.6.x     before 1.6.19 allow remote attackers to cause a denial     of service (application crash) or possibly have     unspecified other impact via a small bit-depth value in     an IHDR (aka image header) chunk in a PNG image.

  - CVE-2012-3425 vulnerable code is not present here

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

ID	Name	Product	Family	Published	Updated	Severity
210631	EulerOS 2.0 SP9 : syslinux (EulerOS-SA-2024-2839)	Nessus	Huawei Local Security Checks	11/8/2024	11/8/2024	critical
74699	openSUSE Security Update : libpng14 (openSUSE-SU-2012:0934-1)	Nessus	SuSE Local Security Checks	6/13/2014	1/19/2021	medium
86993	Ubuntu 14.04 LTS : libpng vulnerabilities (USN-2815-1)	Nessus	Ubuntu Local Security Checks	11/20/2015	8/27/2024	high
92678	Debian DLA-375-1 : libpng Security Update	Nessus	Debian Local Security Checks	8/2/2016	1/11/2021	high
61547	SuSE 10 Security Update : libpng (ZYPP Patch Number 8234)	Nessus	SuSE Local Security Checks	8/15/2012	1/19/2021	medium
199614	RHEL 5 : libpng (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	6/3/2024	high
210632	EulerOS 2.0 SP10 : syslinux (EulerOS-SA-2024-2915)	Nessus	Huawei Local Security Checks	11/8/2024	11/8/2024	critical
64190	SuSE 11.1 Security Update : libpng (SAT Patch Number 6596)	Nessus	SuSE Local Security Checks	1/25/2013	1/19/2021	medium
86907	Debian DLA-343-1 : libpng security update	Nessus	Debian Local Security Checks	11/18/2015	1/11/2021	high

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