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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0619 NSS vulnerability 28 February 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libnss3 Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-18508 Original Bulletin: http://www.ubuntu.com/usn/usn-3898-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running libnss3 check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3898-1 February 27, 2019 nss vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.10 - - Ubuntu 18.04 LTS - - 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: Hanno Bock and Damian Poddebniak discovered that NSS incorrectly handled certain CMS functions. 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 18.10: libnss3 2:3.36.1-1ubuntu1.2 Ubuntu 18.04 LTS: libnss3 2:3.35-2ubuntu2.2 Ubuntu 16.04 LTS: libnss3 2:3.28.4-0ubuntu0.16.04.5 Ubuntu 14.04 LTS: libnss3 2:3.28.4-0ubuntu0.14.04.5 After a standard system update you need to restart any applications that use NSS, such as Evolution, to make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3898-1 CVE-2018-18508 Package Information: https://launchpad.net/ubuntu/+source/nss/2:3.36.1-1ubuntu1.2 https://launchpad.net/ubuntu/+source/nss/2:3.35-2ubuntu2.2 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.5 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.14.04.5 ============================================================================ ========================================================================== Ubuntu Security Notice USN-3898-2 February 27, 2019 nss vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 12.04 ESM Summary: NSS could be made to crash if it received specially crafted network traffic. Software Description: - - nss: Network Security Service library Details: USN-3898-1 fixed a vulnerability in NSS. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details:  Hanno Bock and Damian Poddebniak discovered that NSS incorrectly  handled certain CMS functions. 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 12.04 ESM: libnss3 2:3.28.4-0ubuntu0.12.04.3 After a standard system update you need to restart any applications that use NSS, such as Evolution, to make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3898-2 https://usn.ubuntu.com/usn/usn-3898-1 CVE-2018-18508 - --------------------------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 auscert@auscert.org.au 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. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXHc04WaOgq3Tt24GAQiAuA/9HYPsjYpIY1Z72m0+OF6sunfIDOBxHBaj yxOC9Yy5VFaqa6rmk53m1vmpjyk5X2VD37JZxoYSRhGJkk650nDaLpEAQIMZnBU1 br9Ldi/O9w8/c8bBbsFS2RZcNIHSxxzdnLysZ1YprVSj8C9b1MtKUznwGXby6gH3 qwsm+F8y/GfYy5U82ZEqrjNDBrEgcBvccKc8ckvzonAlWWKwLN0NxxiNdZbz2ilv VVNl5EOPbYk49kWDyTaI1o3MoP777agvpW62qxynO1x3+UqFeTGNYxXBccrft3ut zvtB6fwV3Vjvds0xUgQS9toeHTKTqRF/7NQmQ/Q26xS9AFdNl+nI3W/kke3/OImJ LsmIjDbWmEf1k9wfH+0RQrgIAKSpDUM5OQnB9WZgY5/yJBCytA2PthKYxk6O1zPE 76HNzfhDn896RearkjrLXJ97wLWB5TJR/LtwEyowHHimwLsoIpyzNdsAPxBo8pPB tLN+ZY9zg0JuPPtgbuoRDouV71SGdB4yHu4xfYV4sA0BtXk49nEyAReGxIrqCQYM wTSFlQ5o3h9zRV4Gq2BlsUvRj9niJ0FN9+Klaf4TpUswKD3/oIoS1AZvC6ZKgT8R IXXM/gL8c2N5+8DSiSE+AEFm1EAxzAdxnSHFdRk6e8rvl/kdFtSgEEgPWZaQEmOI KU51nmQSD6M= =rFvX -----END PGP SIGNATURE-----