Security Bulletin: Storwize V7000 Unified Fix Available for Incorrect Permission Checks when Granting/Removing Privilege (CVE-2012-2111)

Abstract

Storwize V7000 Unified 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.

Content

VULNERABILITY DETAILS:

CVE ID:CVE-2012-2111

DESCRIPTION:
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 that the user does not own. Storwize V7000 Unified included a version of Samba and may be susceptible to an attack that takes advantage of this vulnerability.

CVSS:
CVSS Base Score: 5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/75277 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

AFFECTED PLATFORMS:

• Affected releases: Storwize V7000 Unified V1.3.0.X, V1.3.1.X.
• Releases/systems/configurations NOT affected: Storwize V7000 Unified V1.3.2 and later

REMEDIATION:

Vendor Fix(es): The issue is fixed in Storwize V7000 Unified V1.3.2. Customers running an earlier version of Storwize V7000 Unified must upgrade to V1.3.2 or later.

Workaround(s): None.

Mitigation(s): None.

REFERENCES:

• Complete CVSS Guide
• On-line Calculator V2
• X-Force Vulnerability Database
• CVE-2012-2111
• Samba Security Advisory

RELATED INFORMATION:

• IBM Secure Engineering Web Portal
• IBM Product Security Incident Response Blog

CHANGE HISTORY:

• 8/6/12: Original copy published.

_*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.

[{“Product”:{“code”:“ST5Q4U”,“label”:“IBM Storwize V7000 Unified (2073)”},“Business Unit”:{“code”:“BU058”,“label”:“IBM Infrastructure w/TPS”},“Component”:“1.3”,“Platform”:[{“code”:“PF025”,“label”:“Platform Independent”}],“Version”:“1.3”,“Edition”:“”,“Line of Business”:{“code”:“LOB26”,“label”:“Storage”}}]