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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.0397 A vulnerability has been identified in nss 18 March 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: nss Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-1620 Original Bulletin: http://www.ubuntu.com/usn/usn-1763-1 http://www.ubuntu.com/usn/usn-1763-2 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running nss check for an updated version of the software for their operating system. This bulletin contains two (2) Ubuntu security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- NSS could be made to expose sensitive information over the network. ========================================================================== Ubuntu Security Notice USN-1763-1 March 14, 2013 nss vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 12.10 - - Ubuntu 12.04 LTS - - Ubuntu 11.10 - - Ubuntu 10.04 LTS Summary: NSS could be made to expose sensitive information over the network. Software Description: - - nss: Network Security Service library Details: Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as used in NSS was vulnerable to a timing side-channel attack known as the "Lucky Thirteen" issue. A remote attacker could use this issue to perform plaintext-recovery attacks via analysis of timing data. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.10: libnss3 3.14.3-0ubuntu0.12.10.1 Ubuntu 12.04 LTS: libnss3 3.14.3-0ubuntu0.12.04.1 Ubuntu 11.10: libnss3 3.14.3-0ubuntu0.11.10.1 Ubuntu 10.04 LTS: libnss3-1d 3.14.3-0ubuntu0.10.04.1 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: http://www.ubuntu.com/usn/usn-1763-1 CVE-2013-1620 Package Information: https://launchpad.net/ubuntu/+source/nss/3.14.3-0ubuntu0.12.10.1 https://launchpad.net/ubuntu/+source/nss/3.14.3-0ubuntu0.12.04.1 https://launchpad.net/ubuntu/+source/nss/3.14.3-0ubuntu0.11.10.1 https://launchpad.net/ubuntu/+source/nss/3.14.3-0ubuntu0.10.04.1 ========================================================================== Ubuntu Security Notice USN-1763-2 March 14, 2013 nspr update ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 12.10 - - Ubuntu 12.04 LTS - - Ubuntu 11.10 - - Ubuntu 10.04 LTS Summary: NSPR update to work with the new NSS. Software Description: - - nspr: NetScape Portable Runtime Library Details: USN-1763-1 fixed a vulnerability in NSS. This update provides the NSPR needed to use the new NSS. Original advisory details: Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as used in NSS was vulnerable to a timing side-channel attack known as the "Lucky Thirteen" issue. A remote attacker could use this issue to perform plaintext-recovery attacks via analysis of timing data. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.10: libnspr4 4.9.5-0ubuntu0.12.10.1 Ubuntu 12.04 LTS: libnspr4 4.9.5-0ubuntu0.12.04.1 Ubuntu 11.10: libnspr4 4.9.5-0ubuntu0.11.10.1 Ubuntu 10.04 LTS: libnspr4-0d 4.9.5-0ubuntu0.10.04.1 After a standard system update you need to restart any applications that use NSPR, such as Evolution and Chromium, to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1763-2 http://www.ubuntu.com/usn/usn-1763-1 https://launchpad.net/bugs/1155295 Package Information: https://launchpad.net/ubuntu/+source/nspr/4.9.5-0ubuntu0.12.10.1 https://launchpad.net/ubuntu/+source/nspr/4.9.5-0ubuntu0.12.04.1 https://launchpad.net/ubuntu/+source/nspr/4.9.5-0ubuntu0.11.10.1 https://launchpad.net/ubuntu/+source/nspr/4.9.5-0ubuntu0.10.04.1 - --------------------------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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBUUaYyu4yVqjM2NGpAQKSsA//Td56RQCBCAwquwWhuL+yWHZKbxJ3IfFe ET+bOdjGtN0UdS5dvXdxJIkne6BAdqGx2nAGU0A254ZCTFdJCCJ39De5woA7iYI3 BaIl75yxSwziOYLxBFsDREVD0IAPOh9doh/wfti8HfgPqt8aRURvFaosoVS58Psk S3LSME67c3yu7nqNMA5PWz3SDKSnjKsNsST0ZIxsBCsfWOdU8k5O26WG7x1v7tw2 uqAzt2yz78tioCZUX1EpgjF8LQG5gTG9MNvv6OIdd0tYIkapZ5U6lHHF+R6kOyIP 22l82jGd8EKqABlXDHIb1y1xZISewfjvPPnHyhc53dleefjMz3G+p4HdeOWzr1e6 L/Aq8gWFurG+bXAv90xSiIFwACy+knpHRJnnbRU6Mc+34uVRlS/r/jBx0nsAT6bE Z1iiSy+TJbugmEENxKz+ChwTOpsdPRDg4OnwLGi8PRY2QtJ6V4j8fHWMHG7bNa9L LR3YeelFQW+Jsd31Bjifo3ZCtlIJJvcHNyf98uqwoiR+dPbbFbPo5CVbqK/czHos FAjJd4MiMw5sBbtBOZahSL5n8Zl/cI7Z/n2ktz/xCidiISAGdjw1aMc+5YYQRiJD 7+coDCnuGAuEMZio90K4Nm3d288SaUdTEuZUG5cX2RU21AzewV/B1Gxa+wyGFD4v A5dqw/8Vico= =yp/H -----END PGP SIGNATURE-----