Description
Multiple buffer overflows in Melange Chat server 2.02 allow remote or local attackers to cause a denial of service (crash) and possibly execute arbitrary code via (1) a long argument in the /yell command, (2) long lines in the /etc/melange.conf configuration file, (3) long file names, or possibly other attacks.
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
- Melange Chat System 2.0.2 Beta 2 - '/yell' Remote Buffer Overflow EDB-21379 · dos · Apr 14, 2002 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 4509 vdb-entry
- melange-chat-yell-bo(8842) vdb-entry
- 4510 vdb-entry
- 4508 vdb-entry
- melange-chat-config-bo(8845) vdb-entry
- melange-chat-filename-bo(8846) vdb-entry
- 20020414 Vulnerabilities in the Melange Chat Server mailing-list
- 20020416 Melange Chat POC DOS mailing-list