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AUSCERT External Security Bulletin Redistribution
ESB-2020.3291
USN-4537-1: Aptdaemon vulnerability
25 September 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: aptdaemon
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Read-only Data Access -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15703
Original Bulletin:
https://usn.ubuntu.com/4537-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running aptdaemon check for an updated version of the software for
their operating system.
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USN-4537-1: Aptdaemon vulnerability
24 September 2020
Aptdaemon could be made to expose sensitive information.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Packages
o aptdaemon - transaction based package management service
Details
Vaisha Bernard discovered that Aptdaemon incorrectly handled the Locale
property. A local attacker could use this issue to test for the presence of
local files.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o aptdaemon - 1.1.1+bzr982-0ubuntu32.2
Ubuntu 18.04
o aptdaemon - 1.1.1+bzr982-0ubuntu19.4
Ubuntu 16.04
o aptdaemon - 1.1.1+bzr982-0ubuntu14.4
After a standard system update you need to reboot your computer to make all
the necessary changes.
References
o CVE-2020-15703
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