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Highly critical

Asterisk SIP Request Buffer Overflow Vulnerability

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Release Date:  2003-09-05    Views:  8,992

Secunia Advisory SA9674

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

No CVE references.

Description


A vulnerability has been reported in Asterisk, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the SIP (Session Initiation Protocol) implementation when handling certain SIP requests. This can be exploited by sending a specially crafted SIP request, which causes a buffer overflow.

Successful exploitation doesn't requires prior authentication and may allow execution of arbitrary code with "root" privileges.


Solution:
The vendor issued an updated CVS version on 15th of August 2003.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Ollie Whitehouse, Graham Murphy, and Stephen Kapp from @stake.

Original Advisory:
http://www.atstake.com/research/advisories/2003/a090403-1.txt

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: Asterisk SIP Request Buffer Overflow Vulnerability

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