Description
Buffer overflow in the SetUp function in socket/request.c in CrossFire 1.9.0 allows remote attackers to execute arbitrary code via a long setup sound command, a different vulnerability than CVE-2006-1010.
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 14 | crossfire | 1.9.0-2 | — |
| Debian 13 | crossfire | 1.9.0-2 | — |
| Debian 12 | crossfire | 1.9.0-2 | — |
| Debian 3.1 | crossfire | 1.6.0.dfsg.1-4sarge2 | DSA-1009-1 |
| Debian 3.0 | crossfire | 1.1.0-1woody2 | DSA-1009-1 |
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 2
- crossfire-server 1.9.0 - 'SetUp()' Remote Buffer Overflow EDB-50216 · remote · Aug 18, 2021
- crossfire-server 1.9.0 - 'SetUp()' Remote Buffer Overflow EDB-1582 · remote · Mar 13, 2006 · verified
GitHub 1 repository
-
Axua/CVE-2006-1236 ★ 0 · Jan 29, 2019
Exploit script for Crossfire 1.9.0
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-1009-1 crossfire - buffer overflow Debian Security (DSA / DLA) · Mar 9, 2026
References
- ADV-2006-0951 vdb-entry
- http://cvs.sourceforge.net/viewcvs.py/crossfire/crossfire/socket/request.c?rev=1.86&view=log
- 19276 third-party-advisory
- 1582 exploit
- DSA-1009 vendor-advisory
- 19237 third-party-advisory
- 17093 vdb-entry
- 23904 vdb-entry
- crossfire-setup-bo(25252) vdb-entry
- http://packetstormsecurity.com/files/163873/Crossfire-Server-1.0-Buffer-Overflow.html