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Citadel/UX "USER" Command Buffer Overflow Vulnerability
Secunia Advisory: SA12197
Release Date: 2004-08-03
Last Update: 2005-02-28
Popularity: 6,353 views

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Citadel/UX 5.x
Citadel/UX 6.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
CoKi has reported a vulnerability in Citadel/UX, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

The vulnerability is caused due to boundary error within the citadel service when processing "USER" commands. This can be exploited to cause a stack-based buffer overflow by passing an overly long argument (about 94 bytes) to the "USER" command.

Successful exploitation may allow execution of arbitrary code.

The vulnerability has been reported in version 6.23 and prior.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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