Gentoo: GLSA-202302-15 Critical: Logwatch Security Vulnerability
gentoo
March 28, 2012
A vulnerability in Logwatch might allow remote attackers to execute arbitrary code.
Summary
logwatch.pl does not properly sanitize log filenames against shell metacharacters before passing them to the "system()" function.
Resolution
All Logwatch users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/logwatch-7.4.0"
References
[ 1 ] CVE-2011-1018 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1018
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201203-20
style>.gentoo_availability{display:block;}
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.
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Critical
Severity: High
Title: Logwatch: Arbitrary code execution
Date: March 28, 2012
Bugs: #356387
ID: 201203-20
Background
Logwatch analyzes and reports on system logs.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-apps/logwatch < 7.4.0 >= 7.4.0
Impact
=====
A remote attacker could pass a specially crafted log filename to
Logwatch, possibly resulting in execution of arbitrary code with root
privileges or a Denial of Service condition.
Workaround
There is no known workaround at this time.
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