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Insecure Library Loading
Highly critical

policyd "read_w()" Buffer Overflow Vulnerability

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Release Date:  2007-07-13    Last Update:  2007-07-23    Views:  10,795

Secunia Advisory SA26021

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Raphaël Marichez has reported a vulnerability in policyd, 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 within the function "w_read()" in sockets.c. This can be exploited to cause a buffer overflow by sending large SMTP commands to a vulnerable system.

The vulnerability is reported in versions prior to 1.81.


Solution:
Update to version 1.81.

Provided and/or discovered by:
Raphaël Marichez, Hervé Schauer Consultants (HSC)

Original Advisory:
http://sourceforge.net/project/shownotes.php?release_id=522366

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: policyd "read_w()" Buffer Overflow Vulnerability

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