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Moderately critical

Alcatel-Lucent OmniSwitch Series Buffer Overflow Vulnerability

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Release Date:  2008-08-12    Last Update:  2008-10-07    Views:  4,543

Secunia Advisory SA31435

Where:

From local network

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Deral Heiland has reported a vulnerability in various OmniSwitch products, which can be exploited by malicious people to cause a DoS (Denial of Service) or to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the embedded management web server when processing the "Session" cookie. This can be exploited to cause a stack-based buffer overflow by sending a specially crafted GET request containing an overly long "Session" cookie.

Successful exploitation allows execution of arbitrary code.

The vulnerability is reported in the following Alcatel OmniSwitch products:
* OS7000 Series
* OS6600 Series
* OS6800 Series
* OS6850 Series
* OS9000 Series


Solution:
Update to the following versions:

Further details available to Secunia VIM customers

Provided and/or discovered by:
Deral Heiland, Layered Defense Research

Original Advisory:
Alcatel-Lucent:
http://www1.alcatel-lucent.com/psirt/statements/2008002/OmniSwitch.htm

Layered Defense Research:
http://www.layereddefense.com/alcatel12aug.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: Alcatel-Lucent OmniSwitch Series Buffer Overflow Vulnerability

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