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AUSCERT External Security Bulletin Redistribution
ESB-2021.1273
USN-4914-1: NetworkManager vulnerability
15 April 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: NetworkManager
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20297
Original Bulletin:
https://ubuntu.com/security/notices/USN-4914-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running NetworkManager check for an updated version of the software
for their operating system.
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USN-4914-1: NetworkManager vulnerability
14 April 2021
NetworkManager could be made to crash if it received specially crafted
input.
Releases
o Ubuntu 20.10
Packages
o network-manager - Network connection manager
Details
It was discovered that NetworkManager incorrectly handled certain profiles.
A local attacker could possibly use this issue to cause NetworkManager to
crash, resulting in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.10
o network-manager - 1.26.2-1ubuntu1.1
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
o CVE-2021-20297
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