GLSA Advocate
Joined: 12 May 2004 Posts: 2663
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Posted: Wed Sep 06, 2006 6:26 pm Post subject: [ GLSA 200609-04 ] LibXfont: Multiple integer overflows |
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Gentoo Linux Security Advisory
Title: LibXfont: Multiple integer overflows (GLSA 200609-04)
Severity: normal
Exploitable: local
Date: September 06, 2006
Bug(s): #144092
ID: 200609-04
Synopsis
A buffer overflow was discovered in the PCF font parser, potentially resulting in the execution of arbitrary code.
Background
libXfont is the X.Org Xfont library, some parts are based on the FreeType code base.
Affected Packages
Package: x11-libs/libXfont
Vulnerable: < 1.2.0-r1
Unaffected: >= 1.2.0-r1
Architectures: All supported architectures
Description
Several integer overflows have been found in the PCF font parser.
Impact
A local attacker could possibly execute arbitrary code or crash the Xserver by enticing a user to load a specially crafted PCF font file.
Workaround
Do not use untrusted PCF Font files.
Resolution
All libXfont users should upgrade to the latest version: Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.2.0-r1" |
References
CVE-2006-3467 |
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