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Insecure Library Loading
Moderately critical

Sybase ASE Password Array Heap Overflow Vulnerability

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Release Date:  2003-11-21    Views:  9,026

Secunia Advisory SA10273

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been identified in Sybase ASE (Adaptive Server Enterprise), 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 a boundary error when handling remote password arrays. This can be exploited to cause a heap overflow by supplying a remote password array with invalid lengths. Reportedly, execution of arbitrary code is not believed possible but cannot be ruled out completely.

Successful exploitation requires knowledge of a valid user ID and password combination.

The vulnerability has been reported in version 12.5 for Windows and Linux. Other versions may also be affected.


Solution:
Update to Sybase ASE 12.5 ESD#2 or higher.

Provided and/or discovered by:
Rapid7

Original Advisory:
Sybase ASE 12.5 Remote Password Array Denial of Service
http://www.rapid7.com/advisories/R7-0016.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Sybase ASE Password Array Heap Overflow Vulnerability

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