PeerCast: Format string vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200506-15 / peercast
Release Date	June 19, 2005
Latest Revision	May 22, 2006: 02
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-sound/peercast	< 0.1212	>= 0.1212	All supported architectures

Related bugreports: #96199

Synopsis

PeerCast suffers from a format string vulnerability that could allow arbitrary code execution.

2. Impact Information

Background

PeerCast is a media streaming system based on P2P technology.

Description

James Bercegay of the GulfTech Security Research Team discovered that PeerCast insecurely implements formatted printing when receiving a request with a malformed URL.

Impact

A remote attacker could exploit this vulnerability by sending a request with a specially crafted URL to a PeerCast server to execute arbitrary code.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All PeerCast users should upgrade to the latest available version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-sound/peercast-0.1212"

4. References

Page updated June 19, 2005

Summary: This is a Gentoo Linux Security Advisory

Security Team
Contact Address

Donate to support our development efforts.