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Insecure Library Loading
Moderately critical

Samba "FD_SET" Memory Corruption Vulnerability

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Release Date:  2011-02-28    Views:  3,729

Secunia Advisory SA43512

Where:

From local network

Impact:

Privilege escalation, DoS, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


A vulnerability has been reported in Samba, which can be exploited by malicious, local users to cause a DoS (Denial of Service) and potentially gain escalated privileges and by malicious users to cause a DoS and potentially compromise a vulnerable system.

The vulnerability is caused due to missing range checks on file descriptors related to the "FD_SET" macro, which can be exploited to corrupt stack-based memory by performing a select on a specially crafted file descriptor set.

The vulnerability is reported in all 3.x versions prior to 3.5.7.


Solution:
Update to version 3.5.7 or apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
http://samba.org/samba/security/CVE-2011-0719.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: Samba "FD_SET" Memory Corruption Vulnerability

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