GLSA 201701-67: a2ps: Arbitrary code execution
Severity: | normal |
Title: | a2ps: Arbitrary code execution |
Date: | 01/29/2017 |
Bugs: |
|
ID: | 201701-67 |
Synopsis
A vulnerability in a2ps' fixps script might allow remote attackers to execute arbitrary code.Background
a2ps is an Any to PostScript filter.
Affected packages
Package | Vulnerable | Unaffected | Architecture(s) |
---|---|---|---|
app-text/a2ps | < 4.14-r5 | >= 4.14-r5 | All supported architectures |
Description
a2ps’ fixps script does not invoke gs with the -dSAFER option.
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.
Resolution
All a2ps users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-text/a2ps-4.14-r5"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
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.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.