IBM Tivoli Netview up to 5.4/V6R1 on z/OS Unix System Services access control

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

A vulnerability was found in IBM Tivoli Netview up to 5.4/V6R1 on z/OS (Directory Service Software). It has been rated as critical. This issue affects an unknown function of the component Unix System Services. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in IBM Tivoli NetView 1.4, 5.1 through 5.4, and 6.1 on z/OS allows local users to gain privileges by leveraging access to the normal Unix System Services (USS) security level.

The weakness was disclosed 12/21/2012 as swg21621163 as confirmed changelog entry (Website). The advisory is shared at www-01.ibm.com. The identification of this vulnerability is CVE-2012-5951 since 11/21/2012. An attack has to be approached locally. The successful exploitation requires a simple authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 70173 (IBM Tivoli NetView for z/OS Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc..

Applying the patch PTF UA67533/UA6755X/UA6756X is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (80643) and Tenable (70173).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

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Nessus ID: 70173
Nessus Name: IBM Tivoli NetView for z/OS Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: PTF UA67533/UA6755X/UA6756X

Timelineinfo

11/21/2012 🔍
12/21/2012 +30 days 🔍
12/21/2012 +0 days 🔍
12/21/2012 +0 days 🔍
12/24/2012 +3 days 🔍
12/24/2012 +0 days 🔍
12/24/2012 +0 days 🔍
12/26/2012 +2 days 🔍
12/27/2012 +1 days 🔍
09/27/2013 +274 days 🔍
09/30/2013 +3 days 🔍
04/20/2021 +2759 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: swg21621163
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-5951 (🔍)
IAVM: 🔍

X-Force: 80643 - IBM Tivoli NetView for z/OS privilege escalation, High Risk
SecurityTracker: 1027920 - IBM Tivoli NetView for z/OS Lets Local Users Gain Elevated Privileges
Vulnerability Center: 41639 - IBM Tivoli NetView 1.4, 5.1- 5.4, 6.1 Local Bypass Restrictions via Unix System Services(USS), High
SecurityFocus: 57036
Secunia: 51680 - IBM Tivoli NetView for z/OS Privilege Escalation Vulnerability, Less Critical
OSVDB: 88725

Entryinfo

Created: 12/27/2012 22:05
Updated: 04/20/2021 13:39
Changes: 12/27/2012 22:05 (85), 05/12/2017 08:50 (1), 04/20/2021 13:39 (3)
Complete: 🔍

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