Security Bulletin
Summary
Pluggable Authentication Modules (PAM) provide a system whereby administrators can set up authentication policies without having to recompile programs to handle authentication. A security vulnerability has been discovered in PAM used with IBM Security Network Protection.
Vulnerability Details
CVEID: CVE-2015-3238
DESCRIPTION: Linux-PAM could allow a local attacker to obtain sensitive information, caused by an error in the _unix_run_helper_binary function in the pam_unix module. An attacker could exploit this vulnerability using an overly large password to enumerate usernames and cause the system to hang.
CVSS Base Score: 5.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/106368 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
Affected Products and Versions
IBM Security Network Protection 5.2
IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.2
Remediation/Fixes
|
Product | VRMF | Remediation/First Fix |
| IBM Security Network Protection | Firmware version 5.2 | Download 5.2.0.0-ISS-XGS-All-Models-Hotfix-FP0013 from IBM Fix Central and upload and install via the Fix Packs page of the Local Management Interface. |
| IBM Security Network Protection | Firmware version 5.3.1 | Download Firmware 5.3.1.6 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface. |
| IBM Security Network Protection | Firmware version 5.3.2 | Install Firmware 5.3.2.1 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector. |
Workarounds and Mitigations
None
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References
Change History
15 January 2016: Original Version 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 Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
16 June 2018
UID
swg21969771