Citadel/UX select() Bitmap Array Index Remote Oerflow

This script is Copyright (C) 2005-2016 Tenable Network Security, Inc.

Synopsis :

The remote messaging service has a buffer overflow vulnerability.

Description :

The remote host is running Citadel/UX, a messaging server for Unix.

The remote version of this software is vulnerable to a buffer overflow
when performing a select() system call while providing very high file
descriptors. A remote attacker may exploit this flaw to modify at
least one byte in memory. This could lead to a denial of service, or
possibly arbitrary code execution.

See also :

Solution :

Upgrade to Citadel 6.29 or later.

Risk factor :

Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.3
Public Exploit Available : true

Family: Gain a shell remotely

Nessus Plugin ID: 16245 (citadel_select_overflow.nasl)

Bugtraq ID: 12344


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