[Please upgrade the Berkeley MPEG Tools on all distributions -- Raju]
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Subject: [Full-disclosure] [ GLSA 200510-02 ] Berkeley MPEG Tools: Multiple
insecure temporary files
Date: Mon, 03 Oct 2005 18:03:02 +0200
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Gentoo Linux Security Advisory GLSA 200510-02
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http://security.gentoo.org/
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Severity: Normal
Title: Berkeley MPEG Tools: Multiple insecure temporary files
Date: October 03, 2005
Bugs: #107344
ID: 200510-02
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Synopsis
========
The Berkeley MPEG Tools use temporary files in various insecure ways,
potentially allowing a local user to overwrite arbitrary files.
Background
==========
The Berkeley MPEG Tools are a collection of utilities for manipulating
MPEG video technology, including an encoder (mpeg_encode) and various
conversion utilities.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-video/mpeg-tools < 1.5b-r2 >= 1.5b-r2
Description
===========
Mike Frysinger of the Gentoo Security Team discovered that mpeg_encode
and the conversion utilities were creating temporary files with
predictable or fixed filenames. The 'test' make target of the MPEG
Tools also relied on several temporary files created insecurely.
Impact
======
A local attacker could create symbolic links in the temporary files
directory, pointing to a valid file somewhere on the filesystem. When
the utilities are executed (or 'make test' is run), this would result
in the file being overwritten with the rights of the user running the
command.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Berkeley MPEG Tools users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-video/mpeg-tools-1.5b-r2"
References
==========
[ 1 ] CAN-2005-3115
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-3115
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200510-02.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
[EMAIL PROTECTED] or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2005 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/2.0
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--
Raj Mathur [EMAIL PROTECTED] http://kandalaya.org/
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