X.Org Xrender extension buffer overflow
| xorg-xrender-bo (26200) |  High Risk |
Description:
X.Org (xorg-server) is vulnerable to a buffer overflow in the Xrender extension. By sending a specially-crafted XRenderCompositeTriStrip or XRenderCompositeTriFan request, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the X server with root privileges.
Platforms Affected:
- Canonical, Ubuntu 5.04
- Canonical, Ubuntu 5.10
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 2006
- MandrakeSoft, Mandrake Linux 2006 X86_64
- MandrakeSoft, Mandrake Linux LE2005 X86_64
- MandrakeSoft, Mandrake Linux LE2005
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 Desktop
- Sun, Solaris 10 x86
- SuSE, SuSE Linux 10.0
- SuSE, SuSE Linux 9.2
- SuSE, SuSE Linux 9.3
- X.Org, X.Org Server 1.0.0
- X.Org, X.Org Server 1.0.1
- X.Org, X.Org Server X11R6.8.x
- X.Org, X.Org Server X11R6.9.0
- X.Org, X.Org Server X11R7.0
Remedy:
Apply the patch for this vulnerability, as listed in the X.Org Mailing List posting dated Tue May 2 07:05:21 PDT 2006. See References.
For Red Hat Linux:
Refer to RHSA-2006:0451-9 for patch, upgrade, or suggested workaround information. See References.
For Sun Solaris:
Refer to Sun Alert ID: 102339 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-05-02 for patch, upgrade, or suggested workaround information. See References.
For SUSE Linux:
Refer to SUSE Security Announcement SUSE-SA:2006:023 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for patch or upgrade information.
Consequences:
Gain Privileges
References:
- Sun Alert ID: 102339, Security Vulnerability in the Xorg(1) Version of the Render Extension at http://sunsolve.sun.com/search/document.do?assetkey=1-26-102339-1.
- X.Org Foundation Web site, X.Org Wiki - Home at http://xorg.freedesktop.org/wiki/Home.
- X.Org Mailing List, Tue May 2 07:05:21 PDT 2006 , [CVE-2006-1525] X.Org security advisory: Buffer overflow in the Xrender extension at http://lists.freedesktop.org/archives/xorg/2006-May/015136.html.
- ASA-2006-097: xorg-x11 security update (RHSA-2006-0451)
- BID-17795: X.Org XRender Extension Buffer Overflow Vulnerability
- CVE-2006-1526: Buffer overflow in the X render (Xrender) extension in X.org X server 6.8.0 up to allows attackers to cause a denial of service (crash), as demonstrated by the (1) XRenderCompositeTriStrip and (2) XRenderCompositeTriFan requests in the rendertest from XCB xcb/xcb-demo, which leads to an incorrect memory allocation due to a typo in an expression that uses a & instead of a * operator. NOTE: the subject line of the original announcement used an incorrect CVE number for this issue.
- GLSA-200605-02: X.Org: Buffer overflow in XRender extension
- MDKSA-2006:081: Updated xorg-x11 packages fix vulnerability
- MDKSA-2006:081-1: Updated xorg-x11 packages fix vulnerability
- RHSA-2006-0451: xorg-x11 security update
- SA19900: X.Org X11 Render Extension Buffer Overflow Vulnerability
- SECTRACK ID: 1016018: X Server Buffer Overflow Render Extension Lets Remote Users Execute Arbitrary Code
- SUSE-SA:2006:023: xorg-x11-server buffer overflow
- US-CERT VU#633257: X.Org server buffer overflow in Xrender extension
- USN-280-1: X.org server vulnerability
- VUPEN/ADV-2006-1617: X.Org X11 Render Extension Triangle Handling Buffer Overflow Vulnerability
Reported:
May 02, 2006
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