Citadel SMTP RCPT TO Remote Buffer Overflow Vulnerability

Bugtraq ID:	27376
Class:	Boundary Condition Error
CVE:	CVE-2008-0394
Remote:	Yes
Local:	No
Published:	Jul 06 2007 12:00AM
Updated:	May 07 2015 05:33PM
Credit:	prdelka is credited with discovering this issue.
Vulnerable:	Citadel/UX Citadel/UX 6.30 Citadel/UX Citadel/UX 6.29 Citadel/UX Citadel/UX 6.27 Citadel/UX Citadel/UX 6.26 Citadel/UX Citadel/UX 6.24 Citadel/UX Citadel/UX 6.23 Citadel/UX Citadel/UX 6.0 8 Citadel/UX Citadel/UX 6.0 7 Citadel/UX Citadel/UX 5.91 Citadel/UX Citadel/UX 5.90 Citadel/UX Citadel/UX 7.10
Not Vulnerable:	Citadel/UX Citadel/UX 7.11

Citadel SMTP RCPT TO Remote Buffer Overflow Vulnerability

Citadel is prone to a buffer-overflow vulnerability because the software fails to properly bounds-check user-supplied input before copying it into an insufficiently sized memory buffer.

Attackers may exploit this issue to execute arbitrary code in the context of the affected application. Failed exploit attempts will likely result in denial-of-service conditions.

Versions prior to Citadel 7.11 are vulnerable to this issue.

Citadel SMTP RCPT TO Remote Buffer Overflow Vulnerability

The following exploit is available:

• /data/vulnerabilities/exploits/prdelka-vs-GNU-citadel.tar.gz

Citadel SMTP RCPT TO Remote Buffer Overflow Vulnerability

Solution:
The vendor has released Citadel 7.11 to address this issue. Please see the references for more information.

Citadel SMTP RCPT TO Remote Buffer Overflow Vulnerability

References:

• Citadel/UX Homepage (Citadel/UX)