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.

According to the versions of the libpng package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - 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_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)

  - It was discovered that the png_get_PLTE() and     png_set_PLTE() functions of libpng did not correctly     calculate the maximum palette sizes for bit depths of     less than 8. In case an application tried to use these     functions in combination with properly calculated     palette sizes, this could lead to a buffer overflow or     out-of-bounds reads. An attacker could exploit this to     cause a crash or potentially execute arbitrary code by     tricking an unsuspecting user into processing a     specially crafted PNG image. However, the exact impact     is dependent on the application using the     library.(CVE-2015-8472)

  - 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)

  - 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)

  - Integer overflow in libpng, as used in Google Chrome     before 17.0.963.56, allows remote attackers to cause a     denial of service or possibly have unspecified other     impact via unknown vectors that trigger an integer     truncation.(CVE-2011-3026)

  - An array-indexing error was discovered in the     png_convert_to_rfc1123() function of libpng. An     attacker could possibly use this flaw to cause an     out-of-bounds read by tricking an unsuspecting user     into processing a specially crafted PNG     image.(CVE-2015-7981)

  - 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_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)

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

This update of libpng14-14 fixes :

  - CVE-2011-2501: CVSS v2 Base Score: 5.0     (AV:N/AC:L/Au:N/C:N/I:N/A:P): Design Error     (CWE-DesignError)

  - CVE-2011-2690: CVSS v2 Base Score: 5.1     (AV:N/AC:H/Au:N/C:P/I:P/A:P): Buffer Errors (CWE-119)

  - CVE-2011-2691: CVSS v2 Base Score: 4.3     (AV:N/AC:M/Au:N/C:N/I:N/A:P): Other (CWE-Other)

  - CVE-2011-2692: CVSS v2 Base Score: 5.0     (AV:N/AC:M/Au:N/C:N/I:N/A:P): Buffer Errors (CWE-119)

This update of libpng12-0 fixes :

  - CVE-2011-2501: CVSS v2 Base Score: 5.0     (AV:N/AC:L/Au:N/C:N/I:N/A:P): Design Error     (CWE-DesignError)

  - CVE-2011-2690: CVSS v2 Base Score: 5.1     (AV:N/AC:H/Au:N/C:P/I:P/A:P): Buffer Errors (CWE-119)

  - CVE-2011-2691: CVSS v2 Base Score: 4.3     (AV:N/AC:M/Au:N/C:N/I:N/A:P): Other (CWE-Other)

  - CVE-2011-2692: CVSS v2 Base Score: 5.0     (AV:N/AC:M/Au:N/C:N/I:N/A:P): Buffer Errors (CWE-119)

The remote host is affected by the vulnerability described in GLSA-201206-15 (libpng: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in libpng:
      The &ldquo;embedded_profile_len()&rdquo; function in pngwutil.c does not         check for negative values, resulting in a memory leak (CVE-2009-5063).
      The &ldquo;png_format_buffer()&rdquo; function in pngerror.c contains an         off-by-one error (CVE-2011-2501).
      The &ldquo;png_rgb_to_gray()&rdquo; function in pngrtran.c contains an         integer overflow error (CVE-2011-2690).
      The &ldquo;png_err()&rdquo; function in pngerror.c contains a NULL pointer         dereference error (CVE-2011-2691).
      The &ldquo;png_handle_sCAL()&rdquo; function in pngrutil.c improperly handles         malformed sCAL chunks(CVE-2011-2692).
      The &ldquo;png_decompress_chunk()&rdquo; function in pngrutil.c contains an         integer overflow error (CVE-2011-3026).
      The &ldquo;png_inflate()&rdquo; function in pngrutil.c contains and out of         bounds error (CVE-2011-3045).
      The &ldquo;png_set_text_2()&rdquo; function in pngset.c contains an error         which could result in memory corruption (CVE-2011-3048).
      The &ldquo;png_formatted_warning()&rdquo; function in pngerror.c contains an         off-by-one error (CVE-2011-3464).
  Impact :

    An attacker could exploit these vulnerabilities to execute arbitrary       code with the permissions of the user running the vulnerable program,       which could be the root user, or to cause programs linked against the       library to crash.
  Workaround :

    There is no known workaround at this time.

This update of libpng fixes :

  - CVE-2008-6218: CVSS v2 Base Score: 7.1     (AV:N/AC:M/Au:N/C:N/I:N/A:C): Resource Management Errors     (CWE-399)

  - CVE-2011-2690: CVSS v2 Base Score: 5.1     (AV:N/AC:H/Au:N/C:P/I:P/A:P): Buffer Errors (CWE-119)

  - CVE-2011-2692: CVSS v2 Base Score: 5.0     (AV:N/AC:M/Au:N/C:N/I:N/A:P): Buffer Errors (CWE-119)

Multiple vulnerabilities has been discovered and corrected in libpng :

The png_format_buffer function in pngerror.c in libpng 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 (CVE-2011-2501).

Buffer overflow in libpng, 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 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). NOTE:
This does not affect the binary packages in Mandriva, but could affect users if PNG_NO_ERROR_TEXT is defined using the libpng-source-1.?.?? package.

The png_handle_sCAL function in pngrutil.c in libpng 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 updated packages have been patched to correct these issues.

Versions of Mac OS X 10.7 earlier than 10.7.2 are potentially affected by a security issue.  Mac OS X 10.7.2 contains a security fix for the following products : 

  - Apache

  - Application Firewall

  - ATS

 - BIND

  - Certificate Trust Policy

  - CFNetwork

  - CoreMedia

  - CoreProcesses

  - CoreStorage

  - File Systems

  - iChat Server

  - Kernel

  - libsecurity

  - Open Directory

  - PHP

  - python

  - QuickTime

  - SMB File Server

  - X11

The remote host is running a version of Mac OS X 10.6 that does not have Security Update 2011-006 applied.  This update contains numerous security-related fixes for the following components :

  - Apache
  - Application Firewall
  - ATS
  - BIND
  - Certificate Trust Policy
  - CFNetwork
  - CoreFoundation
  - CoreMedia
  - File Systems
  - IOGraphics
  - iChat Server
  - Mailman
  - MediaKit
  - PHP
  - postfix
  - python
  - QuickTime
  - Tomcat
  - User Documentation
  - Web Server
  - X11

The remote host is running a version of Mac OS X 10.7.x that is prior to 10.7.2. This version contains numerous security-related fixes for the following components :

  - Apache
  - Application Firewall
  - ATS
  - BIND
  - Certificate Trust Policy
  - CFNetwork
  - CoreMedia
  - CoreProcesses
  - CoreStorage
  - File Systems
  - iChat Server
  - Kernel
  - libsecurity
  - Open Directory
  - PHP
  - python
  - QuickTime
  - SMB File Server
  - X11

This update of libpng12-0 fixes :

  - CVE-2008-6218: CVSS v2 Base Score: 7.1     (AV:N/AC:M/Au:N/C:N/I:N/A:C): Resource Management Errors     (CWE-399)

  - unknown (unknown). (CVE-2009-5063: CVSS v2 Base Score:
    4.3 (AV:N/AC:M/Au:N/C:N/I:N/A:P))

  - CVE-2011-2501: CVSS v2 Base Score: 5.0     (AV:N/AC:L/Au:N/C:N/I:N/A:P): Design Error     (CWE-DesignError)

  - CVE-2011-2690: CVSS v2 Base Score: 5.1     (AV:N/AC:H/Au:N/C:P/I:P/A:P): Buffer Errors (CWE-119)

  - CVE-2011-2691: CVSS v2 Base Score: 4.3     (AV:N/AC:M/Au:N/C:N/I:N/A:P): Other (CWE-Other)

  - CVE-2011-2692: CVSS v2 Base Score: 5.0     (AV:N/AC:M/Au:N/C:N/I:N/A:P): Buffer Errors (CWE-119)

This update of libpng fixes :

  - CVSS v2 Base Score: 7.1 (AV:N/AC:M/Au:N/C:N/I:N/A:C):
    Resource Management Errors (CWE-399). (CVE-2008-6218)

  - CVSS v2 Base Score: 5.1 (AV:N/AC:H/Au:N/C:P/I:P/A:P):
    Buffer Errors (CWE-119). (CVE-2011-2690)

  - CVSS v2 Base Score: 5.0 (AV:N/AC:M/Au:N/C:N/I:N/A:P):
    Buffer Errors (CWE-119). (CVE-2011-2692)

Update to libpng 1.2.46, includes fixes for CVE-2011-2501, CVE-2011-2690, CVE-2011-2691, CVE-2011-2692

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 PNG library libpng has been affected by several vulnerabilities.
The most critical one is the identified as CVE-2011-2690. Using this vulnerability, an attacker is able to overwrite memory with an arbitrary amount of data controlled by her via a crafted PNG image.

The other vulnerabilities are less critical and allow an attacker to cause a crash in the program (denial of service) via a crafted PNG image.

This update fixes a 1-byte uninitialized memory reference in png_format_buffer(). It allows attackers to cause a denial of service (crash) via a malformed PNG image file that triggers an error that causes an out-of-bounds read when creating the error message. This is CVE-2011-2501.

Also fixed in this release are some other minor security problems and there's additionally a bugfix backported from 1.5.3: when expanding a paletted image, always expand to RGBA if transparency is present.

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.

ID	Name	Product	Family	Severity
124924	EulerOS Virtualization 3.0.1.0 : libpng (EulerOS-SA-2019-1421)	Nessus	Huawei Local Security Checks	high
75913	openSUSE Security Update : libpng14 (libpng14-4949)	Nessus	SuSE Local Security Checks	high
75911	openSUSE Security Update : libpng12 (libpng12-4947)	Nessus	SuSE Local Security Checks	high
75604	openSUSE Security Update : libpng14 (libpng14-4949)	Nessus	SuSE Local Security Checks	high
75603	openSUSE Security Update : libpng12 (libpng12-4947)	Nessus	SuSE Local Security Checks	high
59668	GLSA-201206-15 : libpng: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
57218	SuSE 10 Security Update : libpng (ZYPP Patch Number 7670)	Nessus	SuSE Local Security Checks	high
56529	Mandriva Linux Security Advisory : libpng (MDVSA-2011:151)	Nessus	Mandriva Local Security Checks	medium
6039	Mac OS X 10.7 < 10.7.2 Multiple Vulnerabilities	Nessus Network Monitor	Generic	critical
56481	Mac OS X Multiple Vulnerabilities (Security Update 2011-006)	Nessus	MacOS X Local Security Checks	critical
56480	Mac OS X 10.7.x < 10.7.2 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	critical
55897	SuSE 10 Security Update : libpng (ZYPP Patch Number 7669)	Nessus	SuSE Local Security Checks	high
55896	SuSE 11.1 Security Update : libpng (SAT Patch Number 4948)	Nessus	SuSE Local Security Checks	high
55895	SuSE9 Security Update : libpng (YOU Patch Number 12815)	Nessus	SuSE Local Security Checks	high
55738	Fedora 14 : libpng-1.2.46-1.fc14 (2011-9336)	Nessus	Fedora Local Security Checks	medium
55721	Debian DSA-2287-1 : libpng - several vulnerabilities	Nessus	Debian Local Security Checks	medium
55655	Fedora 14 : libpng10-1.0.55-1.fc14 (2011-8867)	Nessus	Fedora Local Security Checks	medium
55654	Fedora 15 : libpng10-1.0.55-1.fc15 (2011-8844)	Nessus	Fedora Local Security Checks	medium
55612	Fedora 15 : libpng-1.2.46-1.fc15 (2011-9343)	Nessus	Fedora Local Security Checks	medium

Detections

Analytics

CVE-2011-2691

medium

Tenable Plugins

high

high

high

high

high

high

high

medium

critical

critical

critical

high

high

high

medium

medium

medium

medium

medium