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AUSCERT External Security Bulletin Redistribution
ESB-2020.2963
USN-4476-1: NSS vulnerability
28 August 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: nss
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-12403
Original Bulletin:
https://usn.ubuntu.com/4476-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running nss check for an updated version of the software for their
operating system.
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USN-4476-1: NSS vulnerability
27 August 2020
NSS could be made to expose sensitive information if it received a specially crafted
input.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Packages
o nss - Network Security Service library
Details
It was discovered that NSS incorrectly handled some inputs.
An attacker could possibly use this issue to expose sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o libnss3 - 2:3.49.1-1ubuntu1.5
Ubuntu 18.04
o libnss3 - 2:3.35-2ubuntu2.12
Ubuntu 16.04
o libnss3 - 2:3.28.4-0ubuntu0.16.04.14
Ubuntu 14.04
o libnss3 - 2:3.28.4-0ubuntu0.14.04.5+esm8
Ubuntu 12.04
o libnss3 - 2:3.28.4-0ubuntu0.12.04.11
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
o CVE-2020-12403
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