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Insecure Library Loading
Not critical

Samba "mount.cifs" Race Condition Security Issue

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Release Date:  2010-01-29    Last Update:  2011-03-04    Views:  5,357

Secunia Advisory SA38286

Where:

Local system

Impact:

Exposure of sensitive information, Privilege escalation

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


A security issue has been reported in Samba, which can be exploited by malicious, local users to disclose potentially sensitive information and potentially gain escalated privileges.

The security issue is caused due to a race condition within the "mount.cifs" utility, which can be exploited by replacing mountpoints with symlinks.

Note: Successful privilege escalation may require that the "mount.cifs" utility is suid root.


Solution:
Update to version 3.5.7.

Provided and/or discovered by:
Ronald Volgers

Original Advisory:
Samba bug #6853:
https://bugzilla.samba.org/show_bug.cgi?id=6853

Red Hat bug #532940:
https://bugzilla.redhat.com/show_bug.cgi?id=532940

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 "mount.cifs" Race Condition Security Issue

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