PHP gdImageCopyResized() buffer overflow

php-gdimagecopyresized-bo (36383) The risk level is classified as HighHigh Risk

Description:

PHP is vulnerable to a heap-based buffer overflow, caused by an integer overflow error in the gdImageCopyResized() function. By passing overly large integer value parameters to the imagecopyresized() or imagecopyresampled() PHP functions, a remote attacker could overflow a buffer and possibly execute arbitrary code on the system.

*CVSS:

Base Score: 10
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 8.3
  Exploitability: Functional
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of PHP (5.2.4 or later), available from the PHP Web site. See References.

For Red Hat Linux (PHP):
Refer to RHSA-2007:0890-2 for patch, upgrade, or suggested workaround information. See References.

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

References:

  • PHP Web site: PHP 5.2.4 Release Announcement.
  • SECWEB Web site: PHP ImageCopyResized/ImageCopyResampled Integer Overflow.
  • ASA-2007-449: PHP security updates (RHSA-2007-0888 RHSA-2007-0889 & RHSA-2007-0890)
  • ASA-2007-478: PHP security update (RHSA-2007-0891)
  • CVE-2007-3996: Multiple integer overflows in libgd in PHP before 5.2.4 allow remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large (1) srcW or (2) srcH value to the (a) gdImageCopyResized function, or a large (3) sy (height) or (4) sx (width) value to the (b) gdImageCreate or the (c) gdImageCreateTrueColor function.
  • DSA-1613: libgd2 -- multiple vulnerabilities
  • GLSA-200710-02: PHP: Multiple vulnerabilities
  • MDKSA-2007:187: Updated PHP packages fix numerous vulnerabilities
  • MDVSA-2009:264: gd
  • RHSA-2007-0888: Moderate: php security update
  • RHSA-2007-0889: Moderate: php security update
  • RHSA-2007-0890: Moderate: php security update
  • RHSA-2007-0891: Moderate: php security update
  • RHSA-2007-0917: Moderate: php security update
  • SA26642: PHP Multiple Vulnerabilities
  • SA27545: Avaya Products PHP Multiple Vulnerabilities
  • SUSE-SA:2008:004: php5 php4 Security Problems
  • USN-557-1: GD library vulnerability
  • USN-720-1: PHP vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 6.10
  • Canonical Ubuntu 7.04
  • Canonical Ubuntu 7.10
  • Canonical Ubuntu 8.04 LTS
  • Canonical Ubuntu 8.10
  • Debian Debian Linux 4.0
  • Gentoo Linux
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • MandrakeSoft Mandrake Linux 2007.1
  • MandrakeSoft Mandrake Linux 2007.1 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • MandrakeSoft Mandrake Multi Network Firewall 2.0
  • Novell Linux Desktop 9
  • Novell Linux Desktop 9 SDK
  • Novell Linux POS 9
  • Novell Open Enterprise Server
  • Novell Open Enterprise Server
  • Novell OpenSUSE 10.2
  • Novell OpenSUSE 10.3
  • Novell SLE SDK 10 SP1
  • Novell SLE SDK 10
  • Novell SUSE Linux Enterprise Desktop 10 SP1
  • Novell SUSE Linux Enterprise Server 10
  • Novell SUSE Linux Enterprise Server 10 SP1
  • PHP PHP 5.0.0 Beta3
  • PHP PHP 5.0.0 RC3
  • PHP PHP 5.0.0 Beta1
  • PHP PHP 5.0.0 RC2
  • PHP PHP 5.0.0
  • PHP PHP 5.0.0 RC1
  • PHP PHP 5.0.0 Beta4
  • PHP PHP 5.0.0 Beta2
  • PHP PHP 5.0.1
  • PHP PHP 5.0.2
  • PHP PHP 5.0.3
  • PHP PHP 5.0.4
  • PHP PHP 5.0.5
  • PHP PHP 5.1.0
  • PHP PHP 5.1.1
  • PHP PHP 5.1.2
  • PHP PHP 5.1.3
  • PHP PHP 5.1.4
  • PHP PHP 5.1.5
  • PHP PHP 5.1.6
  • PHP PHP 5.2.0
  • PHP PHP 5.2.1
  • PHP PHP 5.2.2
  • PHP PHP 5.2.3
  • RedHat Application Stack v1 for EL AS 4
  • RedHat Application Stack v1 for EL ES 4
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4.5.z ES
  • RedHat Enterprise Linux 4.5.z AS
  • RedHat Enterprise Linux 5
  • RedHat Enterprise Linux 5 Client Workstation
  • RedHat Enterprise Linux 5 Server
  • RedHat Enterprise Linux Desktop 5.0
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • RedHat RHEL Application Stack 2
  • SuSE SuSE SLES 9

Reported:

Aug 30, 2007

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