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[gentoo-announce] [ GLSA 200901-02 ] JHead: Multiple vulnerabilities

Posted on 10 January 2009
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 200901-02
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http://security.gentoo.org/
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Severity: Normal
Title: JHead: Multiple vulnerabilities
Date: January 11, 2009
Bugs: #242702, #243238
ID: 200901-02

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Synopsis
========
Multiple vulnerabilities in JHead might lead to the execution of
arbitrary code or data loss.

Background
==========
JHead is an exif jpeg header manipulation tool.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-gfx/jhead < 2.84-r1 >= 2.84-r1

Description
===========
Marc Merlin and John Dong reported multiple vulnerabilities in JHead:

* A buffer overflow in the DoCommand() function when processing the
cmd argument and related to potential string overflows
(CVE-2008-4575).

* An insecure creation of a temporary file (CVE-2008-4639).

* A error when unlinking a file (CVE-2008-4640).

* Insufficient escaping of shell metacharacters (CVE-2008-4641).

Impact
======
A remote attacker could possibly execute arbitrary code by enticing a
user or automated system to open a file with a long filename or via
unspecified vectors. It is also possible to trick a user into deleting
or overwriting files.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All JHead users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/jhead-2.84-r1"

References
==========
[ 1 ] CVE-2008-4575
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4575
[ 2 ] CVE-2008-4639
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4639
[ 3 ] CVE-2008-4640
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4640
[ 4 ] CVE-2008-4641
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4641

Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200901-02.xml

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
http://bugs.gentoo.org.

License
=======
Copyright 2009 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.

http://creativecommons.org/licenses/by-sa/2.5

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