USN-4417-2: NSS vulnerability

Releases

• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• nss - Network Security Service library

Details

USN-4417-1 fixed a vulnerability in NSS. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Cesar Pereida, Billy Bob Brumley, Yuval Yarom, and Nicola Tuveri discovered
that NSS incorrectly handled RSA key generation. A local attacker could
possibly use this issue to perform a timing attack and recover RSA keys.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04

• libnss3 - 2:3.28.4-0ubuntu0.14.04.5+esm6

Ubuntu 12.04

• libnss3 - 2:3.28.4-0ubuntu0.12.04.9

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

• CVE-2020-12402

Related notices

• USN-4417-1: libnss3-1d, libnss3, libnss3-nssdb, nss, libnss3-dev, libnss3-tools