libpng png_set_sPLT function denial of service

libpng-pngsetsplt-dos (30290) The risk level is classified as MediumMedium Risk

Description:

libpng is vulnerable to a denial of service, caused by an out-of-bounds read in the png_set_sPLT function in pngset.c. By sending a specially-crafted PNG file, a remote attacker could crash applications linked to the vulnerable library.

*CVSS:

Base Score: 3.5
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 2.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

For Gentoo:
Apply the patch for this vulnerability, as listed in Gentoo Bugzilla Bug 154380. See References.

For Mandriva Linux:
Refer to Mandriva Linux Security Advisory MDKSA-2006:210 for patch, upgrade, or suggested workaround information. See References.

For Mandriva Linux:
Refer to Mandriva Linux Security Advisory MDKSA-2006:209 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 200611-09 for patch, upgrade, or suggested workaround information. See References.

For Ubuntu Linux:
Refer to USN-383-1 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux:
Refer to RHSA-2007:0356 for patch, upgrade, or suggested workaround information. See References.

For Turbolinux (libpng):
Refer to TLSA-2007-45 for patch, upgrade, or suggested workaround information. See References.

For Mac OS X:
Apply Security Update 2008-002, available from the Apple Web site. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

  • Apple Web site: About Security Update 2008-002.
  • CORE-2008-0124: Multiple vulnerabilities in Google's Android SDK.
  • Gentoo Bugzilla Bug 154380: media-libs/libpng: sPLT chunk handling denial of service (CVE-2006-5793).
  • ASA-2007-254: libpng security update (RHSA-2007-0356)
  • BID-21078: The 'libpng' Graphics Library PNG_SET_SPLT Remote Denial of Service Vulnerability
  • CVE-2006-5793: The sPLT chunk handling code (png_set_sPLT function in pngset.c) in libpng 1.0.6 through 1.2.12 uses a sizeof operator on the wrong data type, which allows context-dependent attackers to cause a denial of service (crash) via malformed sPLT chunks that trigger an out-of-bounds read.
  • GLSA-200611-09: libpng: Denial of Service
  • MDKSA-2006:209: Updated libpng packages fix vulnerabilities
  • MDKSA-2006:210: Updated syslinux packages to fix embedded libpng vulnerabilities
  • MDKSA-2006:211: Updated pxelinux packages to fix embedded libpng vulnerabilities
  • MDKSA-2006:212: Updated doxygen packages to fix embedded libpng vulnerabilities
  • OpenPKG-SA-2006.036: libpng
  • RHSA-2007-0356: Moderate: libpng security update
  • SA22900: libpng sPLT Chunk Handling Denial of Service
  • SA25742: Avaya Products libpng tRNS/sPLT Chunk Denial of Service
  • SA29420: Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1017244: libpng Read Error in png_set_sPLT() Lets Remote Users Deny Service
  • SUSE-SR:2006:028: SUSE Security Summary Report

Platforms Affected:

  • Apple Mac OS X 10.5.2
  • Apple Mac OS X Server 10.5.2
  • Canonical Ubuntu 5.10
  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 6.10
  • Gentoo Linux
  • Google Android SDK m3-rc37a
  • libpng libpng prior to 1.2.12
  • MandrakeSoft Mandrake Linux 2006 X86_64
  • MandrakeSoft Mandrake Linux 2006
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • MandrakeSoft Mandrake Multi Network Firewall 2.0
  • OpenPKG OpenPKG 2-STABLE
  • OpenPKG OpenPKG CURRENT
  • OpenPKG OpenPKG Enterprise E1.0-SOLID
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4.5.z ES
  • RedHat Enterprise Linux 4.5.z AS
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux 5 Server
  • RedHat Enterprise Linux 5 Client Workstation
  • RedHat Enterprise Linux 5
  • RedHat Enterprise Linux Desktop 5.0
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • Turbolinux Turbolinux 10 Desktop
  • Turbolinux Turbolinux 10 F...
  • Turbolinux Turbolinux 10 Server
  • Turbolinux Turbolinux 10 Server x64 Ed
  • Turbolinux Turbolinux 8 Server
  • Turbolinux Turbolinux FUJI
  • Turbolinux Turbolinux Home
  • Turbolinux Turbolinux Multimedia
  • Turbolinux Turbolinux Personal
  • Turbolinux Turbolinux wizpy
  • Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
  • Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed
  • Turbolinux Turbolinux Appliance Server 2.0

Reported:

Nov 07, 2006

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