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Insecure Library Loading
Moderately critical

Asterisk JPEG Image Handling Buffer Overflow Vulnerability

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Release Date:  2006-04-24    Views:  11,552

Secunia Advisory SA19800

Where:

From local network

Impact:

DoS, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Emmanouel Kellinis has reported a vulnerability in Asterisk, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially to compromise a vulnerable system.

The vulnerability is cause due to a signedness error in "format_jpeg.c". This can be exploited to cause a buffer overflow via an overly large JPEG image and may allow arbitrary code execution.

The vulnerability has been reported in version 1.2.6. Prior versions may also be affected.


Solution:
Update to version 1.2.7 or later.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Emmanouel Kellinis

Original Advisory:
http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory

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 JPEG Image Handling Buffer Overflow Vulnerability

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