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Alerts This Week
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Gentoo: 201402-23 High Severity: libXfont Local Privilege Escalation

gentoo
Calendar Grey February 21, 2014
Scroller Gentoo
Several security flaws in libXfont on Gentoo can lead to significant local privilege escalation or denial of service. It is advisable to update immediately.
Multiple vulnerabilities have been found in libXfont, the worst of which allow for local privilege escalation.

Summary

Multiple vulnerabilities have been discovered in libXfont. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory Gentoo high severity privilege escalation local attack Denial of Service libXfont

Resolution

All libXfont users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.4.7 "

References

[ 1 ] CVE-2011-2895 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2895 [ 2 ] CVE-2013-6462 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6462

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201402-23
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: libXfont: Multiple vulnerabilities
Date: February 21, 2014
Bugs: #378797, #497416
ID: 201402-23

Topics%20covered

Topics Covered

security advisory Gentoo high severity privilege escalation local attack Denial of Service libXfont

Synopsis

Multiple vulnerabilities have been found in libXfont, the worst of which allow for local privilege escalation.

Background

libXfont is an X11 font rasterisation library.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-libs/libXfont < 1.4.7 >= 1.4.7

Impact

===== A local attacker could use a specially crafted file to gain privileges or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.