X.org X11 composite extension buffer overflow
| xorg-composite-bo (36535) |  High Risk |
Description:
X.org X11 is vulnerable to a buffer overflow, caused by improper bounds checking by the composite extension. By copying data between specially-crafted pixmaps, a local attacker could overflow a buffer and execute arbitrary code on the system.
Platforms Affected:
- Avaya, Intuity Audix LX
- Avaya, Message Networking
- Avaya, Message Storage Server 3.0
- Canonical, Ubuntu 6.06 LTS
- 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 2008.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
- Novell, Linux POS 9
- Novell, OpenSUSE 10.2
- Novell, OpenSUSE 10.3
- Novell, SLE SDK 10 SP1
- Novell, SUSE Linux Enterprise Desktop 10 SP1
- Novell, SUSE Linux Enterprise Server 10 SP1
- Novell, SUSE Linux Enterprise Server 10
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 ES
- SuSE, SLE SDK 10
- SuSE, SuSE Linux 10.0
- SuSE, SuSE Linux 10.1
- SuSE, SuSE Linux 9.0
- X.Org, X11 7.x
Remedy:
Upgrade to the latest version of X.org X11 (1.4 or later), available from the X.org X11 Web site. See References.
Debian/GNU Linux:
Refer to DSA-1372-1 for patch, upgrade, or suggested workaround information. See References.
For Mandriva Linux (x11-server):
Refer to MDKSA-2007:178 for patch, upgrade, or suggested workaround information. See References.
For Ubuntu Linux (xorg):
Refer to USN-514-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Gain Access
References:
- X.Org Foundation Web site, X.Org Wiki - Home at http://xorg.freedesktop.org/wiki/Home.
- ASA-2007-394: Xorg-x11 security update (RHSA-2007-0898)
- BID-25606: X.Org X Server Composite Extension Local Buffer Overflow Vulnerability
- CVE-2007-4730: Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X.org X11 server before 1.4 allows local users to execute arbitrary code by copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.
- DSA-1372: xorg-server -- buffer overflow
- GLSA-200710-16: X.Org X server: Composite local privilege escalation
- MDKSA-2007:178: Updated x11-server packages fix vulnerability
- MDVSA-2008:022: Updated xorg-x11 packages fix multiple vulnerabilities
- RHSA-2007-0898: Moderate: xorg-x11 security update
- SA26743: X.org X11 Composite Pixmap Privilege Escalation Vulnerability
- SA27147: Avaya Products X.org X11 Composite Pixmap Privilege Escalation
- SA30161: Gentoo ltsp Multiple Vulnerabilities
- SECTRACK ID: 1018665: X Server Bug in compNewPixmap() Lets Local Users Gain Elevated Privileges
- SUSE-SA:2007:054: Xorg security problems
- USN-514-1: X.org vulnerability
- VUPEN/ADV-2007-3098: X.Org X Server Composite Extension Local Privilege Escalation Vulnerability
Reported:
Sep 09, 2007
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