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X.Org: Heap overflow in pixmap allocation

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200509-07 / X.Org
Release Date September 12, 2005
Latest Revision September 12, 2005: 01
Impact high
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
x11-base/xorg-x11 < 6.8.2-r3 >= 6.8.2-r3 All supported architectures

Related bugreports: #105688

Synopsis

An integer overflow in pixmap memory allocation potentially allows any X.Org user to execute arbitrary code with elevated privileges.

2.  Impact Information

Background

X.Org is X.Org Foundation's Public Implementation of the X Window System.

Description

X.Org is missing an integer overflow check during pixmap memory allocation.

Impact

An X.Org user could exploit this issue to make the X server execute arbitrary code with elevated privileges.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All X.org users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-base/xorg-x11-6.8.2-r3"

4.  References



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Page updated September 12, 2005

Summary: This is a Gentoo Linux Security Advisory

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