Description
Computalynx CMail 2.4 and CMail 2.3 SP2 SMTP servers are vulnerable to a buffer overflow attack in the MAIL FROM command that may allow a remote attacker to execute arbitrary code on the server.
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
- Computalynx CMail 2.3 SP2/2.4 - SMTP Buffer Overflow EDB-19495 · remote · Sep 13, 1999 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- cmail-command-bo(2240) vdb-entry
- 19990912 Many kind of POP3/SMTP server softwares for Windows have buffer overflow bug mailing-list
- 19990729 Vulnerability in CMail SMTP Server Version 2.4: Remotely exploitable buffer mailing-list
- 633 vdb-entry