Ubuntu Security Notices
USN-4539-1

USN-4539-1: AWL vulnerability

Publication date

24 September 2020

Overview

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

Releases

20.04 LTS

Packages

awl - PHP Utility Libraries

Details

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

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
20.04 focal	libawl-php – 0.60-1+deb10u1ubuntu1

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References

CVE-2020-11728

CVE-2020-11728