IBM WebSphere Application Server up to 8.5 on z/OS CBIND Check access control

CVSS Meta Temp Score
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3.9$0-$5k0.00

A vulnerability was found in IBM WebSphere Application Server up to 8.5 on z/OS (Application Server Software) and classified as problematic. Affected by this issue is an unknown part of the component CBIND Check Handler. 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, and integrity. CVE summarizes:

IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.45, 7.0 before 7.0.0.25, 8.0 before 8.0.0.5, and 8.5 before 8.5.0.1 on z/OS, in certain configurations involving Federated Repositories for IIOP connections and Optimized Local Adapters, does not perform CBIND checks, which allows local users to bypass intended access restrictions, and read or modify application data, via unspecified vectors.

The weakness was presented 09/24/2012 as swg21611313 as confirmed advisory (Website). The advisory is shared for download at www-01.ibm.com. This vulnerability is handled as CVE-2012-3311 since 06/07/2012. The attack needs to be approached locally. A simple authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 62394 (IBM WebSphere Application Server 6.1 < Fix Pack 45 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87124 (IBM WebSphere Application Server Multiple Vulnerabilities (PM54356,PM62467,PM66514,PM61388)).

Upgrading to version 6.1.0.45, 7.0.0.25, 8.0.0.5 or 8.5.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (77697) and Tenable (62394). auscert.org.au is providing further details. See 5476, 5915, 6544 and 6545 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.4
VulDB Temp Score: 3.9
VulDB Vector: 🔍
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

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Nessus ID: 62394
Nessus Name: IBM WebSphere Application Server 6.1 < Fix Pack 45 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: WebSphere Application Server 6.1.0.45/7.0.0.25/8.0.0.5/8.5.0.1

Timelineinfo

06/07/2012 🔍
09/24/2012 +109 days 🔍
09/24/2012 +0 days 🔍
09/24/2012 +0 days 🔍
09/24/2012 +0 days 🔍
09/25/2012 +1 days 🔍
09/25/2012 +0 days 🔍
09/25/2012 +0 days 🔍
09/28/2012 +3 days 🔍
02/18/2014 +508 days 🔍
04/14/2021 +2612 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: swg21611313
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3311 (🔍)
X-Force: 77697 - IBM Websphere Application Server CBIND security bypass, Low Risk
Vulnerability Center: 43336 - IBM WebSphere Application Server on z/OS Local Security Bypass Vulnerability, Low
SecurityFocus: 55671 - IBM WebSphere Application Server for z/OS Local Security Bypass Vulnerability
Secunia: 50751 - IBM WebSphere Application Server for z/OS CBIND Check Bypass Vulnerability, Not Critical
OSVDB: 85735

Misc.: 🔍
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Entryinfo

Created: 09/28/2012 18:01
Updated: 04/14/2021 13:33
Changes: 09/28/2012 18:01 (83), 05/21/2017 14:15 (1), 04/14/2021 13:33 (3)
Complete: 🔍

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