GD Graphics Library gdPngReadData denial of service

gd-gdpngreaddata-dos (34420)

Low Risk

Description:

The GD Graphics Library is vulnerable to a denial of service, caused by a vulnerability in the gdPngReadData function. By creating a specially-crafted PNG image file, a remote attacker could cause the application to enter an infinite loop, resulting in a denial of service, if the attacker could persuade the victim to view the malicious file with an application linked to the vulnerable library.

Platforms Affected:

• Boutell, GD Graphics Library 2.0.34
• Canonical, Ubuntu 6.06 LTS
• Canonical, Ubuntu 6.10
• Canonical, Ubuntu 7.04
• Gentoo, Linux
• HP, HP-UX B.11.11
• HP, HP-UX B.11.23
• HP, HP-UX B.11.31
• MandrakeSoft, Mandrake Linux 2007 X86_64
• MandrakeSoft, Mandrake Linux 2007
• MandrakeSoft, Mandrake Linux 2007.1 X86_64
• MandrakeSoft, Mandrake Linux 2007.1
• MandrakeSoft, Mandrake Linux 2008.0 X86_64
• MandrakeSoft, Mandrake Linux Corporate Server 3.0
• MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
• 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 CURRENT
• OpenPKG, OpenPKG Enterprise E1.0-SOLID
• RedHat, Application Stack v1 for EL AS 4
• RedHat, Application Stack v1 for EL ES 4
• RedHat, Enterprise Linux 3 Desktop
• RedHat, Enterprise Linux 3 AS
• RedHat, Enterprise Linux 3 ES
• RedHat, Enterprise Linux 3 WS
• RedHat, Enterprise Linux 4 ES
• RedHat, Enterprise Linux 4 Desktop
• RedHat, Enterprise Linux 4 AS
• RedHat, Enterprise Linux 4 WS
• 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
• Turbolinux, Turbolinux 10 Desktop
• Turbolinux, Turbolinux 10 F...
• Turbolinux, Turbolinux 10 Server
• Turbolinux, Turbolinux 10 Server x64 Ed
• Turbolinux, Turbolinux FUJI
• Turbolinux, Turbolinux Home
• Turbolinux, Turbolinux Multimedia
• Turbolinux, Turbolinux Personal
• Turbolinux, Turbolinux Appliance Server 2.0

Remedy:

Upgrade to the latest version of GD Graphics Library (2.0.35RC4 or later), available from the GD Graphics Library Web site. See References.

For PHP:
Upgrade to the latest version of PHP (5.2.3 or later), available from the PHP Web site. See References.

For Ubuntu Linux (libgd2):
Refer to USN-473-1 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (GD):
Refer to GLSA 200708-05 for patch, upgrade, or suggested workaround information. See References.

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

For Mandriva Linux (PHP):
Refer to MDKSA-2007:187 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Apply the appropriate update for your system. See References.

Consequences:

Denial of Service

References:

• GD Graphics Library Web site, Main Page - LibGD at http://www.libgd.org/Main_Page.
• HPSBUX02262 SSRT071447, HP-UX running Apache, Remote Arbitrary Code Execution, Cross Site Scripting (XSS) at http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795.
• libgd Bug FS#86, Possible infinite loop in libgd/gd_png.c (inside png_set_read_fn() callback) with truncated input at http://bugs.libgd.org/?do=details&task_id=86.
• PHP Web site, PHP 5.2.3 Release Announcement at http://www.php.net/releases/5_2_3.php.
• ASA-2007-416: HP-UX running Apache, Remote Arbitrary Code Execution, Cross Site Scripting (XSS) (HPSBUX02262)
• ASA-2007-449: PHP security updates (RHSA-2007-0888 RHSA-2007-0889 & RHSA-2007-0890)
• ASA-2007-478: PHP security update (RHSA-2007-0891)
• ASA-2008-099: gd security update (RHSA-2008-0146)
• BID-24089: GD Graphics Library PNG File Processing Denial of Service Vulnerability
• CVE-2007-2756: The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.
• FrSIRT/ADV-2007-1904: GD Graphics Library gdPngReadData() Truncated Data Handling DoS Vulnerability
• FrSIRT/ADV-2007-1905: PHP GD Graphics Library gdPngReadData() PNG File Denial of Service Vulnerability
• FrSIRT/ADV-2007-2016: PHP Multiple Function Remote Integer Overflow and Security Bypass Vulnerabilities
• FrSIRT/ADV-2007-2336: GD Graphics Library Image Processing Integer Overflow and Denial of Service Issues
• FrSIRT/ADV-2007-3386: HP-UX Apache Code Execution and Cross Site Scripting Vulnerabilities
• GLSA-200708-05: GD: Multiple vulnerabilities
• GLSA-200710-02: PHP: Multiple vulnerabilities
• GLSA-200711-34: CSTeX: Multiple vulnerabilities
• MDKSA-2007:122: Updated gd packages fix vulnerability
• MDKSA-2007:123: Updated libwmf packages fix vulnerability
• MDKSA-2007:124: Updated tetex packages fix vulnerability
• MDKSA-2007:187: Updated PHP packages fix numerous vulnerabilities
• OpenPKG-SA-2007.020: PHP
• RHSA-2007-0889: Moderate: php security update
• RHSA-2007-0890: Moderate: php security update
• RHSA-2007-0891: Moderate: php security update
• RHSA-2008-0146: Moderate: gd security update
• SA25362: GD Graphics Library Truncated PNG Data Denial of Service
• SA25378: PHP "gdPngReadData()" Truncated PNG Data Denial of Service
• SA25855: GD Graphics Library Multiple Vulnerabilities
• SA27545: Avaya Products PHP Multiple Vulnerabilities
• SECTRACK ID: 1018187: PHP Infinite Loop in imagecreatefrompng() Lets Users Deny Service
• SUSE-SR:2007:013: SUSE Security Summary Report

Reported:

May 16, 2007

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