Home / vulnerabilities glsa-200610-05.txt
Posted on 18 October 2006
Source : packetstormsecurity.org Link
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Gentoo Linux Security Advisory GLSA 200610-05
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http://security.gentoo.org/
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Severity: High
Title: CAPI4Hylafax fax receiver: Execution of arbitrary code
Date: October 17, 2006
Bugs: #145982
ID: 200610-05
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Synopsis
========
CAPI4Hylafax allows remote attackers to execute arbitrary commands.
Background
==========
CAPI4Hylafax makes it possible to send and receive faxes via CAPI and
AVM Fritz!Cards.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 capi4hylafax < 01.03.00.99.300.3-r1 >= 01.03.00.99.300.3-r1
Description
===========
Lionel Elie Mamane discovered an error in c2faxrecv, which doesn't
properly sanitize TSI strings when handling incoming calls.
Impact
======
A remote attacker can send null ( ) and shell metacharacters in the
TSI string from an anonymous fax number, leading to the execution of
arbitrary code with the rights of the user running c2faxrecv.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All CAPI4Hylafax users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/capi4hylafax-01.03.00.99.300.3-r1"
References
==========
[ 1 ] CVE-2006-3126
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3126
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200610-05.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 2006 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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