Samba Local Security Authority Bug Lets Remote Authenticated Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1026988 |
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SecurityTracker URL: http://securitytracker.com/id/1026988
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CVE Reference:
CVE-2012-2111
(Links to External Site)
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Date: Apr 30 2012
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Impact:
Modification of user information, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 3.4.x - 3.6.4
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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.
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Impact:
A remote authenticated user can modify Samba user privileges on the target system.
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Solution:
The vendor has issued a fix (3.4.17, 3.5.15, 3.6.5).
The vendor's advisory is available at:
http://www.samba.org/samba/security/CVE-2012-2111
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Vendor URL: www.samba.org/samba/security/CVE-2012-2111 (Links to External Site)
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Cause:
Access control error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Mon, 30 Apr 2012 19:42:41 +0000
Subject: Samba
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http://www.samba.org/samba/security/CVE-2012-2111
CVE-2012-2111
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