SB2015090210 - Amazon Linux AMI update for pam 



SB2015090210 - Amazon Linux AMI update for pam

Published: September 2, 2015

Security Bulletin ID SB2015090210
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2015-3238)

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.


Remediation

Install update from vendor's website.