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Security Bulletin: SONAS Fix Available for Incorrect Permission Checks when Granting/Removing Privilege (CVE-2012-2111)

Flash (Alert)


SONAS includes a version of Samba that is affected by a vulnerability that allows a user to take ownership of files and directories that they do not own.


CVE ID: CVE-2012-2111

An error in the Remote Procedure Call (RPC) code in Samba results in a security vulnerability that could be leveraged by a remote attacker to take ownership of files or directories he does not own. SONAS included a vulnerable version of Samba and may be susceptible to an attack that takes advantage of this vulnerability.

CVSS Base Score: 5
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)


  • Affected releases: SONAS 1.1 through 1.3.1.
  • Releases/systems/configurations NOT affected: None.


Vendor Fix(es): The issue is fixed in SONAS 1.3.2. SONAS customer running an earlier SONAS version (e.g. SONAS 1.2, SONAS 1.3, SONAS 1.3.1) must upgrade to SONAS 1.3.2 or a later version

Workaround(s): None.

Mitigation(s): None.



  • 07/27/2012: Original copy published.
  • 16/05/2013: Restructured the document as per new guidelines.

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Flash.

Note: According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document information

More support for: Scale Out Network Attached Storage

Version: 1.3

Operating system(s): Linux

Reference #: S1004168

Modified date: 03 July 2013