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

Created by Ann-Louise Bolger on
Published URL:
https://www.ibm.com/support/pages/node/540665
540665

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 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.

ProductVRMFAPARRemediation
IBM Security Access Manager for Mobile8.0 - 8.0.1.3IV809761. For 8.0-8.0.1.2 environments, upgrade to 8.0.1.3:
8.0.1-ISS-ISAM-FP0003
2. Apply 8.0.1.3 Interim Fix 4:
8.0.1.3-ISS-ISAM-IF0004
IBM Security Access Manager9.0IV809751. 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

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

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

swg21975882

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