Description
Heap-based buffer overflow in the handshakeHTTP function in servhs.cpp in PeerCast 0.1217 and earlier, and SVN 344 and earlier, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SOURCE request.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 4.0 | gnome-peercast | 0.5.4-1.1etch0 | DSA-1583-1 |
| Debian 4.0 | peercast | 0.1217.toots.20060314-1etch0 | DSA-1441-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- PeerCast 0.12 - HandshakeHTTP Multiple Buffer Overflow Vulnerabilities EDB-30894 · dos · Dec 17, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- DSA-1583-1 gnome-peercast - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1441-1 peercast Debian Security (DSA / DLA) · Mar 9, 2026
References
- GLSA-200801-22 vendor-advisory
- 26899 vdb-entry
- http://bugs.gentoo.org/show_bug.cgi?id=202747
- 28719 third-party-advisory
- peercast-handshakehttp-bo(39075) vdb-entry
- DSA-1583 vendor-advisory
- 28120 third-party-advisory
- 30325 third-party-advisory
- 20071217 Heap overflow in PeerCast 0.1217 mailing-list
- 28260 third-party-advisory
- DSA-1441 vendor-advisory
- http://aluigi.altervista.org/adv/peercasthof-adv.txt
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=457300
- ADV-2007-4246 vdb-entry
- 3461 third-party-advisory