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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
(Gentoo Issues Fix) Samba Local Security Authority Bug Lets Remote Authenticated Users Gain Elevated Privileges
SecurityTracker Alert ID:  1027201
SecurityTracker URL:  http://securitytracker.com/id/1027201
CVE Reference:   CVE-2012-2111   (Links to External Site)
Date:  Jun 25 2012
Impact:   Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.4.x - 3.6.4
Description:   A vulnerability was reported in Samba. A remote authenticated user can modify user privileges on the target system.

Security checks are not properly applied to the CreateAccount, OpenAccount, AddAccountRights, and RemoveAccountRights RPC calls. A remote authenticated user can connect to the Local Security Authority (LSA) and modify the privileges database.

A remote authenticated user can grant themselves the "take ownership" privilege and then change the ownership of a file or directories on the target system.

Ivano Cristofolini reported this vulnerability.

Impact:   A remote authenticated user can modify Samba user privileges on the target system.
Solution:   Gentoo has issued a fix.

The Gentoo advisory is available at:

http://security.gentoo.org/glsa/glsa-201206-22.xml

Vendor URL:  www.samba.org/samba/security/CVE-2012-2111 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Gentoo)

Message History:   This archive entry is a follow-up to the message listed below.
Apr 30 2012 Samba Local Security Authority Bug Lets Remote Authenticated Users Gain Elevated Privileges



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