=========================================================================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

Summary:

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

Details:

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.

References:
  https://usn.ubuntu.com/4552-1
  CVE-2019-16729

Package Information:
  https://launchpad.net/ubuntu/+source/pam-python/1.0.6-1.1+deb10u1build0.18.04.1

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