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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2091 USN-4397-2: NSS vulnerability 18 June 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: NSS Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-12399 Reference: ESB-2020.2075 ESB-2020.2058 ESB-2020.2049 ESB-2020.2000 Original Bulletin: https://usn.ubuntu.com/4397-2/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4397-2: NSS vulnerability 17 June 2020 nss vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 14.04 ESM o Ubuntu 12.04 ESM Summary NSS could be made to expose sensitive information over the network. Software Description o nss - Network Security Service library Details USN-4397-1 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 Garcia discovered that NSS incorrectly handled DSA key generation. A local attacker could possibly use this issue to perform a timing attack and recover DSA keys. (CVE-2020-12399) 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+esm5 Ubuntu 12.04 ESM libnss3 - 2:3.28.4-0ubuntu0.12.04.8 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . After a standard system update you need to reboot your computer to make all the necessary changes. References o USN-4397-1 o CVE-2020-12399 - --------------------------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 iQIVAwUBXuqkYONLKJtyKPYoAQh2ahAAgJ2VxJzRwrVrWxu2wkfr8ayTs7BByiaM V68GntpIPcy7oJf7BsojqcWMUOO/VYBlEno6f+ZeFADicMHdMPWTQVq2QDubf2U6 1Mkw5ykrRE7Vg4xAL9nBamXdiUTcr0njea51bVy5nO7CO8BdrgQhTh/ARTwSOZTH kJb0k6sRXm0MKLYwu0C9kcuZJuT0IjNHJHCpW16GYtlXXdzaR5pxBI4D+XQNH4uG hZpslNcKVvAprJ6h++/rloNRilfmdvIYc6Q/0lEw0qMfs5cnGkdxXoDjJ5nkD2y+ fS7o5kbKTTcJzRGhwK74xy52FOB/TBgqi2f8smgreviJgtAAG1KP6h50pQjUqDNT P53eb5GpRMkUxp6cqvOK4S+P9KfFbE3txohKzCptR1hGnCMh0uW0mAuQVkD6uNMh xHnWAO2htpkcaI7ckxXAqAT2Qe5tck1fNY8+cN8Idsj4JWC6EBeoNeTX1gjUDQSR MTuDcyxBBx8X1J+4vmcgqoogijnUHYzSCTqBKWxsiBpct19Hyh1C3vBAJco0SeEz yuKmb+jL9DTn4VYDTOkREj/kaFEnnMFLWjRjjPErVb4sAxzOCRe7nDZFv53zSCO5 hpjVWwkoZZ0n3NiGC/3S/qhwrWWlQPnyZ7y00nXGEkIgxuehVkILwZokM6f8t9rP Q5Hm4oyhdQg= =SwgO -----END PGP SIGNATURE-----