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AUSCERT External Security Bulletin Redistribution
USN-4667-2: APT vulnerability
12 January 2021
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Denial of Service -- Existing Account
CVE Names: CVE-2020-27350
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USN-4667-2: APT vulnerability
11 January 2021
APT could be made to crash or stop responding if it opened a specially
o Ubuntu 14.04 ESM
o apt - Advanced front-end for dpkg
USN-4667-1 fixed a vulnerability in APT. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Kevin Backhouse discovered that APT incorrectly handled certain packages.
A local attacker could possibly use this issue to cause APT to crash or
stop responding, resulting in a denial of service.
The problem can be corrected by updating your system to the following package
o apt - 1.0.1ubuntu2.24+esm3
In general, a standard system update will make all the necessary changes.
o USN-4667-1 : apt
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