Citadel/UX Username Buffer Overflow Vulnerability

BID:10833

Info

Citadel/UX Username Buffer Overflow Vulnerability

Bugtraq ID: 10833
Class: Boundary Condition Error
CVE:
Remote: Yes
Local: No
Published: Jul 30 2004 12:00AM
Updated: Jul 30 2004 12:00AM
Credit: Discovery of this vulnerability is credited to CoKi <[email protected]>.
Vulnerable: 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
Not Vulnerable:

Discussion

Citadel/UX Username Buffer Overflow Vulnerability

A buffer overrun vulnerability is reported for Citadel/UX. The problem occurs due to insufficient bounds checking when processing 'USER' command arguments.

An anonymous remote attacker may be capable of exploiting this issue to execute arbitrary code. This however has not been confirmed. Failed exploit attempts may result in a denial of service.

Exploit / POC

Citadel/UX Username Buffer Overflow Vulnerability

The following proof of concept is available:

Solution / Fix

Citadel/UX Username Buffer Overflow Vulnerability

Solution:
It is reported that the vendor has addressed this issue; the fix exists in the CVS tree. It is reported that the fix will be included in the next release of Citadel/UX this is not confirmed.

Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

References

Citadel/UX Username Buffer Overflow Vulnerability

References:

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