[ GLSA 200603-17 ] PeerCast: Buffer overflow

[GLSA]

Gentoo Linux Security Advisory

Title: PeerCast: Buffer overflow (GLSA 200603-17)
Severity: high
Exploitable: remote
Date: March 21, 2006
Bug(s): #123432
ID: 200603-17

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: media-sound/peercast
Vulnerable: < 0.1217
Unaffected: >= 0.1217
Architectures: All supported architectures


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: