Security Bulletin: IBM Tivoli NetView for z/OS - Gain Permissions Vulnerability (CVE-2012-5951)

VULNERABILITY DETAILS:

CVE ID: CVE-2012-5951

DESCRIPTION: An otherwise normal Unix System Services(USS) user can assume the elevated security setting of NetView for z/OS to execute an arbitrary program at that elevated security level.

CVSS:

CVSS Base Score: 7.2
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/80643 for the current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:L/AC:L/Au:N/C:C/I:C/A:C)


AFFECTED PLATFORMS:

• Affected releases: 1.4, 5.1 through 5.4 & 6.1
• Releases/systems/configurations NOT affected: none

REMEDIATION: See table below for the appropriate PTF fix.

Fix*	Original Fix (PE)	VRMF	zNetView Vulnerability APAR / PE fix APAR	Download URL
PTF UA67653	PTF UA67533	6.1	OA41061 / OA41132	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67653
PTF UA67656	PTF UA67555	5.4	OA41060 / OA41127	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67656
PTF UA67660	PTF UA67559	5.3 Japanese	OA41060 / OA41127	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67660
PTF UA67659	PTF UA67558	5.3 English	OA41060 / OA41127	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67659
PTF UA67658	PTF UA67557	5.2 Japanese	OA41060 / OA41127	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67658
PTF UA57657	PTF UA67556	5.2 English	OA41060 / OA41127	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67657
PTF UA57662	PTF UA67561	5.1 Japanese	OA41060 / OA41127	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67662
PTF UA67661	PTF UA67560	5.1 English	OA41060 / OA41127	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67661
PTF UA67655	PTF UA67554	1.4 Japanese	OA41059 / OA41131	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67655
PTF UA67654	PTF UA67553	1.4 English	OA41059 / OA41131	https://www14.software.ibm.com/webapp/set2/ordermedia/shopCart?ptfs=UA67654

Note concerning the PE status of the original fixes (PTFs): See corresponding PE fix APAR for details.

Workaround/Mitigation(s): None

REFERENCES: Any additional links, including related advisories (issued by IBM or other vendors), links to CVSS v2 Guide, CVSS calculator, X-Force database entry, and CVE entry link for the listed vulnerability or vulnerabilities.

• Complete CVSS Guide (hyperlink to http://www.first.org/cvss/cvss-guide.html )
• On-line Calculator V2 (link to http://nvd.nist.gov/cvss.cfm?calculator&adv&version=2 )
• X-Force Vulnerability Database (hyperlink to the entry in X-Force db that covers the given vulnerability )
• CVE-2012-5951 (hyperlink to http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5951)

RELATED INFORMATION:

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

ACKNOWLEDGEMENT: None


CHANGE HISTORY:

• December 21, 2012 Advisory Flash Created
• January 14, 2013 Updated to include PE information
  

*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.