PeerCast: Buffer overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200603-17 / peercast
Release Date	March 21, 2006
Latest Revision	March 21, 2006: 01
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-sound/peercast	< 0.1217	>= 0.1217	All supported architectures

Related bugreports: #123432

Synopsis

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

2. Impact Information

Background

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

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.

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-0.1217"

4. References

CVE-2006-1148

Page updated March 21, 2006

Summary: This is a Gentoo Linux Security Advisory

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