PeerCast: Buffer overflow

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”.

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-0.1218"