[USN-4539-1] AWL vulnerability

Avital Ostromich avital.ostromich at canonical.com
Thu Sep 24 19:49:06 UTC 2020

Ubuntu Security Notice USN-4539-1
September 24, 2020

awl vulnerability

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

- Ubuntu 20.04 LTS


DAViCal Andrew's Web Libraries could be made to run programs as your login
if it received specially crafted input.

Software Description:
- awl: PHP Utility Libraries


Andrew Bartlett discovered that DAViCal Andrew's Web Libraries (AWL) did
not properly manage session keys. An attacker could possibly use this
issue to impersonate a session. (CVE-2020-11728)

Update instructions:

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

Ubuntu 20.04 LTS:
  libawl-php                      0.60-1+deb10u1ubuntu1

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


Package Information:

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