Gentoo GLSA-201701-67: a2ps Arbitrary Code Execution Risk Review
gentoo
January 29, 2017
A vulnerability in a2ps' fixps script might allow remote attackers to execute arbitrary code.
Summary
a2ps' fixps script does not invoke gs with the -dSAFER option.
Resolution
All a2ps users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/a2ps-4.14-r5"
References
[ 1 ] CVE-2014-0466 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0466
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201701-67
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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.
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Severity: Normal
Title: a2ps: Arbitrary code execution
Date: January 29, 2017
Bugs: #506352
ID: 201701-67
Background
a2ps is an Any to PostScript filter.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-text/a2ps < 4.14-r5 >= 4.14-r5
Impact
=====
Remote attackers, by enticing a user to process a specially crafted
PostScript file, could delete arbitrary files or execute arbitrary code
with the privileges of the process.
Workaround
There is no known workaround at this time.
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