Amazon Linux 1 Security Advisory: ALAS-2015-589
Advisory Release Date: 2015-09-02 12:00 Pacific
Advisory Updated Date: 2015-09-02 12:00 Pacific
Severity:
Medium
Issue Overview:
It was discovered that the _unix_run_helper_binary() function of PAM's unix_pam module could write to a blocking pipe, possibly causing the function to become unresponsive. An attacker able to supply large passwords to the unix_pam module could use this flaw to enumerate valid user accounts, or cause a denial of service on the system. (CVE-2015-3238)
Affected Packages:
pam
Issue Correction:
Run yum update pam to update your system.
New Packages:
i686:
pam-devel-1.1.8-12.32.amzn1.i686
pam-1.1.8-12.32.amzn1.i686
pam-debuginfo-1.1.8-12.32.amzn1.i686
src:
pam-1.1.8-12.32.amzn1.src
x86_64:
pam-devel-1.1.8-12.32.amzn1.x86_64
pam-1.1.8-12.32.amzn1.x86_64
pam-debuginfo-1.1.8-12.32.amzn1.x86_64