22 June 2017
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1562 NSS vulnerability 22 June 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libnss3 Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-7502 Reference: ESB-2017.1557 ESB-2017.1404 ESB-2017.1368 ESB-2017.1367 Original Bulletin: http://www.ubuntu.com/usn/usn-3336-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3336-1 June 21, 2017 nss vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 17.04 - - Ubuntu 16.10 - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: NSS could be made to crash if it received specially crafted network traffic. Software Description: - - nss: Network Security Service library Details: It was discovered that NSS incorrectly handled certain empty SSLv2 messages. A remote attacker could possibly use this issue to cause NSS 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 17.04: libnss3 2:3.28.4-0ubuntu0.17.04.2 Ubuntu 16.10: libnss3 2:3.28.4-0ubuntu0.16.10.2 Ubuntu 16.04 LTS: libnss3 2:3.28.4-0ubuntu0.16.04.2 Ubuntu 14.04 LTS: libnss3 2:3.28.4-0ubuntu0.14.04.2 After a standard system update you need to restart any applications that use NSS, such as Evolution and Chromium, to make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3336-1 CVE-2017-7502 Package Information: https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.17.04.2 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.10.2 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.2 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.14.04.2 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to firstname.lastname@example.org and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWUsZXYx+lLeg9Ub1AQiTig/+P7chvYKzixu9bZXT6LgK3uMhxOfApJFH vBttl35l231/nHHjJ5DR4iunMex1+fdOofwIPJN05+QyvZrLiFFSAGnoShK6w/g8 8sGii8bs9FCM7Cx8BMsAmg8AhdfpZsjPpUVUp0n/EgJ5+9yhtO/iF4ouvYhT2KAS XtVsXDAmXCMvYNXJ892QRsduypVcQ2plFmgfjV5FB3pCyoXP9c1h4pNCzJ3CG+2F ScCupJhmfPh0QtglERHw2jO/HPfwn7MPTEMCOW19rGRDR+uhjaRa16FxEyCRkOyZ qUKFv5oEluX4pyIpGqllH6UkaQA6oXBlmcTFCa64fb1Msx4vz9pa57Pt/zMYl+8Z Xjwaf/XU/I97n0c63rUihEcFhxv2ml4HwNHH7XJWDs85afNEvae284H2E+3T1wEv EFcsIGGAtWDYciP0dXTYuM6VhmQQxswfH4OzFOdik6o7++ezz6thRsKwC4XcjmWW AW9KbM8plRXtBHlprQqB30P7MlzQtwYrLE4wp6300g4v/45w7ss6tQogECT1L4yK s+ObiF/rUVRER8rPtYSYRETAmIbraPa6PcdzKnFqdSvRr61Ooj7z7kJVRQjqtOAg jE1U5ZsIh6jrNf99l0z7+tdEozgCyCl5E39Oa0PSutSnPHgLDc/pSs0waU73SVr4 AcChWNx9pdg= =ZwcJ -----END PGP SIGNATURE-----