========================================================================== Ubuntu Security Notice USN-4417-2 July 06, 2020
nss vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: NSS could be made to expose sensitive information. Software Description: - 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 ESM: libnss3 2:3.28.4-0ubuntu0.14.04.5+esm6 Ubuntu 12.04 ESM: 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: https://usn.ubuntu.com/4417-2 https://usn.ubuntu.com/4417-1 CVE-2020-12402
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