PeerCast: Buffer overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200801-22 / peercast
Release Date	January 30, 2008
Latest Revision	January 30, 2008: 02
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-sound/peercast	< 0.1218	>= 0.1218	All supported architectures

Related bugreports: #202747

Synopsis

A buffer overflow vulnerability has been discovered in PeerCast.

2. Impact Information

Background

PeerCast is a client and server for P2P-radio network

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".

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All PeerCast users should upgrade to the latest version:

Code Listing 3.1: Resolution

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

4. References

CVE-2007-6454

Updated January 30, 2008

Summary: This is a Gentoo Linux Security Advisory

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