Advisory Published

USN-3850-1: NSS vulnerabilities

First published: Wed Jan 09 2019(Updated: )

Keegan Ryan discovered that NSS incorrectly handled ECDSA key generation. A local attacker could possibly use this issue to perform a cache-timing attack and recover private ECDSA keys. (CVE-2018-0495) It was discovered that NSS incorrectly handled certain v2-compatible ClientHello messages. A remote attacker could possibly use this issue to perform a replay attack. (CVE-2018-12384) It was discovered that NSS incorrectly handled certain padding oracles. A remote attacker could possibly use this issue to perform a variant of the Bleichenbacher attack. (CVE-2018-12404)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libnss3<2:3.36.1-1ubuntu1.1
2:3.36.1-1ubuntu1.1
=18.10
All of
ubuntu/libnss3<2:3.35-2ubuntu2.1
2:3.35-2ubuntu2.1
=18.04
All of
ubuntu/libnss3<2:3.28.4-0ubuntu0.16.04.4
2:3.28.4-0ubuntu0.16.04.4
=16.04
All of
ubuntu/libnss3<2:3.28.4-0ubuntu0.14.04.4
2:3.28.4-0ubuntu0.14.04.4
=14.04

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