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TUCoPS :: Linux :: Gentoo :: bx1694.htm

PeerCast: Buffer overflow



PeerCast: Buffer overflow
PeerCast: Buffer overflow



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Gentoo Linux Security Advisory                        GLSA 200801-22:02
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http://security.gentoo.org/ 
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  Severity: High
     Title: PeerCast: Buffer overflow
      Date: January 30, 2008
   Updated: January 30, 2008
      Bugs: #202747
        ID: 200801-22:02

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Synopsis
=======
A buffer overflow vulnerability has been discovered in PeerCast.

Background
=========
PeerCast is a client and server for P2P-radio network

Affected packages
================
    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  media-sound/peercast      < 0.1218                      >= 0.1218

Description
==========
Luigi Auriemma reported a heap-based buffer overflow within the
"handshakeHTTP()" function when processing HTTP requests.

Impact
=====
A remote attacker could send a specially crafted request to the
vulnerable server, possibly resulting in the remote execution of
arbitrary code with the privileges of the user running the PeerCast
server, usually "nobody".

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

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

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-sound/peercast-0.1218"

References
=========
  [ 1 ] CVE-2007-6454
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6454 

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

http://security.gentoo.org/glsa/glsa-200801-22.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 2008 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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