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VID 23100
Severity 40
Port 504
Protocol TCP
Class Daemon
Detailed Description The Citadel/UX server, according to its version number, has a format string vulnerability.
Citadel/UX is an open-source Bulletin Board Service (BBS) software for Unix platforms that supports message forums, email, chat, and instant messaging. Citadel/UX versions 6.27 and earlier are vulnerable to a format string vulnerability, caused by a vulnerability in the network data logging functionality of Citadel/UX. Successful exploitation will allow a remote attacker to execute arbitrary code on a vulnerable host with superuser privileges.

* Note: This check solely relied on the version number of the remote Citadel/UX server to assess this vulnerability, so this might be a False Positive.

* References:
http://www.securityfocus.com/archive/1/384192
http://www.nosystem.com.ar/advisories/advisory-09.txt
http://www.nosystem.com.ar/exploits/citadel_fsexp.c
http://www.securityfocus.com/data/vulnerabilities/exploits/citadel_fsexp.c

* Platforms Affected:
Citadel Project, Citadel/UX 6.27 and earlier
Apple Computer, Inc., Mac OS 10.x
Unix Any version
Linux Any version
Recommendation Upgrade to the latest version of Citadel/UX (6.28 or later), available from the Citadel Download Web site at http://uncensored.citadel.org/citadel/download.php
Related URL CVE-2004-1192 (CVE)
Related URL 11885 (SecurityFocus)
Related URL 18429 (ISS)