06 June 2017
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1416 Libtasn1 vulnerability 6 June 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libtasn1-6 Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-6891 Reference: ESB-2017.1339 Original Bulletin: http://www.ubuntu.com/usn/usn-3309-1 - --------------------------BEGIN INCLUDED TEXT-------------------- =========================================================================== Ubuntu Security Notice USN-3309-1 June 05, 2017 libtasn1-6 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: Libtasn1 could be made to crash or run programs as your login if it opened a specially crafted file. Software Description: - - libtasn1-6: Library to manage ASN.1 structures Details: Jakub Jirasek discovered that GnuTLS incorrectly handled certain assignments files. If a user were tricked into processing a specially crafted assignments file, a remote attacker could possibly execute arbirary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04: libtasn1-6 4.10-1ubuntu0.1 Ubuntu 16.10: libtasn1-6 4.9-4ubuntu0.1 Ubuntu 16.04 LTS: libtasn1-6 4.7-3ubuntu0.16.04.2 Ubuntu 14.04 LTS: libtasn1-6 3.4-3ubuntu0.5 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3309-1 CVE-2017-6891 Package Information: https://launchpad.net/ubuntu/+source/libtasn1-6/4.10-1ubuntu0.1 https://launchpad.net/ubuntu/+source/libtasn1-6/4.9-4ubuntu0.1 https://launchpad.net/ubuntu/+source/libtasn1-6/4.7-3ubuntu0.16.04.2 https://launchpad.net/ubuntu/+source/libtasn1-6/3.4-3ubuntu0.5 - --------------------------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 email@example.com 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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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: firstname.lastname@example.org 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 iQIVAwUBWTXw14x+lLeg9Ub1AQi8QQ/+OAcEQKPXPk1GkV4YlN6hPEm5kJTIuJZl nfzQ1A3XLi4huyItCyCDQumpclThVVvTfLNH1eomDG8hWL3fPs+UEr5uuwW0wmfj cwJdRrHVOYcqwmAzN+hGECcCZnyzPxlbQSfFMGG/Pc4Yh6enTunHYryPXxbuCTkS hLQkD9ro7sMu98oa81R7aW3CM+wKmw55kKcNzjPsyKEQl6dN6NWYRAHJXbuI2Hrf eGOS/nzJD/rK7iW5USSISGu2DJ1Ecx+/+raPjJUsMA5Zwo16htzmVCBBaVJ8/86+ nwmqfUofRpjB57APOq5aL2BQ7AvGQ6VvFCf/04skp+HvOeAwwf6OGqON6vPOii51 5SbmvMP4fzw9aIcIPHO+//yXZ+pk0bX1iBP/LOV8015DaP562Wd2GGEh1HofsMdQ iT+huMumclYQ9ZHTby5v9qIrt/UwKvKEHAG7rbVPrjf3HxVWmofSllxk6aR1OWb+ WIkScMZwHVaV0VlbIJxEr8ZDxxnbFNDkybRQk7lQP+CNqh4agXmnpEiPn2a3YTkF iNkKdREVqxljasq/KujCYZA08lwhajosqfU34ZrPyUikm+L8xLET0OkFIl/G/3Rr jhjsd+O1mAjjrpla6Pigt1pozvulVF6Z1ulMIAELygtjFoy0YGMRxPkTpPoqjKm6 JB2310iJJ5o= =B1Vs -----END PGP SIGNATURE-----