DB Hub "clear_user_list()" Denial of Service
Secunia Advisory: SA23489
Release Date: 2006-12-28
Last Update: 2007-01-03
Popularity: 5,677 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:DB Hub 0.x

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CVE reference:CVE-2006-6810


Description:
Critical Security have discovered a vulnerability in DB Hub, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a NULL pointer dereference in the "clear_user_list()" function in main.c when handling malformed data. This can be exploited to crash the service.

The vulnerability is confirmed in version 0.351. Other versions may also be affected.

Solution:
Update to version 0.353.

Version 0.352 reportedly also fixes the vulnerability.

Provided and/or discovered by:
Critical Security

Changelog:
2007-01-02: Added CVE reference.
2007-01-03: Updated "Solution" section.

Original Advisory:
http://www.critical.lt/?vuln/548


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