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.
IBM Security Access Manager for Web is affected by a Linux-PAM vulnerability.
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: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
Affected Products and Versions
IBM Security Access Manager for Web 7.0 appliances, all firmware versions
IBM Security Access Manager for Web 8.0 appliances, all firmware versions
IBM Security Access Manager 9.0 appliances, all firmware versions
Remediation/Fixes
The table below provides links to patches for all affected versions. Follow the installation instructions in the README file included with the patch.
| Product | VRMF | APAR | Remediation |
| IBM Security Access Manager for Web | 7.0 - 7.0.0.20 (appliances) | IV80987 | 1. Apply Interim Fix 21: 7.0.0-ISS-WGA-IF0021 |
| IBM Security Access Manager for Web | 8.0 - 8.0.1.3 | IV80975 | 1. For 8.0-8.0.1.2 environments, upgrade to 8.0.1.3: 8.0.1-ISS-WGA-FP0003 2. Apply 8.0.1.3 Interim Fix 4:8.0.1.3-ISS-WGA-IF0004 |
| IBM Security Access Manager | 9.0 - 9.0.0.1 | IV80975 | 1. For 9.0 environments, upgrade to 9.0.0.1: 9.0.0-ISS-ISAM-FP0001 2. Apply 9.0.0.1 Interim Fix 1: 9.0.0.1-ISS-ISAM-IF0001 |
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References
Change History
February 1, 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
swg21974738