Security Bulletin: A Linux-PAM vulnerability affects IBM Security Access Manager for Mobile (CVE-2015-3238)

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 Mobile 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 Mobile 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.