Ubuntu Security Notices
USN-4664-1

USN-4664-1: Aptdaemon vulnerabilities

Publication date

8 December 2020

Overview

Several security issues were fixed in Aptdaemon.

Releases

20.10 20.04 LTS 18.04 LTS 16.04 LTS

Packages

aptdaemon - transaction based package management service

Details

Kevin Backhouse discovered that Aptdaemon incorrectly handled certain
properties. A local attacker could use this issue to test for the presence
of local files. (CVE-2020-16128)

Kevin Backhouse discovered that Aptdaemon incorrectly handled permission
checks. A local attacker could possibly use this issue to cause a denial of
service. (CVE-2020-27349)

Kevin Backhouse discovered that Aptdaemon incorrectly handled certain
properties. A local attacker could use this issue to test for the presence
of local files. (CVE-2020-16128)

Kevin Backhouse discovered that Aptdaemon incorrectly handled permission
checks. A local attacker could possibly use this issue to cause a denial of
service. (CVE-2020-27349)

Update instructions

After a standard system update you need to reboot your computer to 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
20.10 groovy	aptdaemon – 1.1.1+bzr982-0ubuntu34.1
20.04 focal	aptdaemon – 1.1.1+bzr982-0ubuntu32.3
18.04 bionic	aptdaemon – 1.1.1+bzr982-0ubuntu19.5
16.04 xenial	aptdaemon – 1.1.1+bzr982-0ubuntu14.5

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USN-4664-1: Aptdaemon vulnerabilities

Packages

Details

Update instructions

Reduce your security exposure

References