feh: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 201110-08 / feh
Release Date	October 13, 2011
Latest Revision	October 13, 2011: 2
Impact	high
Exploitable	local, remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-gfx/feh	< 1.12	>= 1.12	All supported architectures

Related bugreports: #325531, #354063

Synopsis

Multiple vulnerabilities were found in feh, the worst of which leading to remote passive code execution.

2. Impact Information

Background

feh is a fast, lightweight imageviewer using imlib2.

Description

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

Impact

A malicious entity might entice a user to visit a URL using the --wget-timestamp option, thus executing arbitrary commands via shell metacharacters; a malicious local user could perform a symlink attack and overwrite arbitrary files.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All feh users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-gfx/feh-1.12"

4. References

Page updated October 13, 2011

Summary: This is a Gentoo Linux Security Advisory

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