[USN-4552-1] Pam-python vulnerability

Mike Salvatore mike.salvatore at canonical.com
Mon Sep 28 17:47:46 UTC 2020

Ubuntu Security Notice USN-4552-1
September 28, 2020

pam-python vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS


Pam-python could be made to crash or run programs as an administrator
if certain environment variables are set.

Software Description:
- pam-python: Enables PAM modules to be written in Python


Malte Kraus discovered that Pam-python mishandled certain environment variables.
A local attacker could potentially use this vulnerability to execute programs
as root.

Update instructions:

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

Ubuntu 18.04 LTS:
  libpam-python                   1.0.6-1.1+deb10u1build0.18.04.1

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


Package Information:

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