CMailServer USER buffer overflow
| cmailserver-user-bo (9132) |  High Risk |
Description:
CMailServer is vulnerable to a buffer overflow, caused by improper bounds checking of user-supplied arguments by sprint(). By sending passing an overly long USER argument to the server, a remote attacker could overflow a buffer and execute arbitrary code on the server.
Consequences:
Gain Access
Remedy:
Apply the patch for this vulnerability included with the BugTraq Mailing List posting dated May 21 2002 9:49PM. See References.
References:
- BugTraq Mailing List, Mon May 12 2003 - 18:02:57 CDT: Re: Multiple Buffer Overflow Vulnerabilities Found in CMailServer 4.0.
- BugTraq Mailing List, Tue May 21 2002 - 16:49:54 CDT: YoungZSoft CMailServer overflow, PATCH + WAREZ!@#!.
- YoungZSoft Web site: CMailServer.
- BID-4789: YoungZSoft CMailServer Buffer Overflow Vulnerability
- CVE-2002-0799: Buffer overflow in YoungZSoft CMailServer 3.30 allows remote attackers to execute arbitrary code via a long USER argument.
- OSVDB ID: 12076: YoungZSoft CMailServer USER Command Remote Overflow
Platforms Affected:
- Computalynx CMail Server 2.4.7
- Youngzsoft CMailServer 3.30
Reported:
May 21, 2002
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