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TUCoPS :: Linux :: Gentoo :: b06-1128.htm

Peercast: buffer overflow



PeerCast: Buffer overflow
PeerCast: Buffer overflow



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Gentoo Linux Security Advisory                           GLSA 200603-17
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http://security.gentoo.org/ 
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  Severity: High
     Title: PeerCast: Buffer overflow
      Date: March 21, 2006
      Bugs: #123432
        ID: 200603-17

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Synopsis
=======
PeerCast is vulnerable to a buffer overflow that may lead to the
execution of arbitrary code.

Background
=========
PeerCast is a Peer to Peer broadcasting technology for listening to
radio and watching video on the Internet.

Affected packages
================
    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  media-sound/peercast      < 0.1217                      >= 0.1217

Description
==========
INFIGO discovered a problem in the URL handling code. Buffers that are
allocated on the stack can be overflowed inside of nextCGIarg()
function.

Impact
=====
By sending a specially crafted request to the HTTP server, a remote
attacker can cause a stack overflow, resulting in the execution of
arbitrary code.

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-0.1217"

References
=========
  [ 1 ] CVE-2006-1148
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2006-1148 

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

http://security.gentoo.org/glsa/glsa-200603-17.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/2.0 

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