1. Ubuntu Security Notices
  2. USN-4314-1

USN-4314-1: pam-krb5 vulnerability

Publication date

31 March 2020

Overview

pam-krb5 could be made to execute arbitrary code if it received a specially crafted response.

Releases

Packages

Details

Russ Allbery discovered that pam-krb5 incorrectly handled some responses.
An attacker could possibly use this issue to execute arbitrary code.

Russ Allbery discovered that pam-krb5 incorrectly handled some responses.
An attacker could possibly use this issue to execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
19.10 eoan libpam-krb5 –  4.8-2ubuntu0.1
18.04 bionic libpam-krb5 –  4.8-1ubuntu0.1
16.04 xenial libpam-krb5 –  4.7-2ubuntu0.1
14.04 trusty libpam-krb5 –  4.6-2ubuntu0.1~esm1  
12.04 precise libpam-krb5 –  4.5-3ubuntu0.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›