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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.3396 Multiple Ghostscript vulnerabilities have been identified in Ubuntu 31 October 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ghostscript Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-18284 CVE-2018-18073 CVE-2018-17961 Reference: ESB-2018.3218 Original Bulletin: http://www.ubuntu.com/usn/usn-3803-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3803-1 October 30, 2018 ghostscript vulnerabilities ========================================================================== 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: Several security issues were fixed in Ghostscript. Software Description: - - ghostscript: PostScript and PDF interpreter Details: Tavis Ormandy discovered multiple security issues in Ghostscript. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use these issues to access arbitrary files, execute arbitrary code, or cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: ghostscript 9.25~dfsg+1-0ubuntu1.1 libgs9 9.25~dfsg+1-0ubuntu1.1 Ubuntu 18.04 LTS: ghostscript 9.25~dfsg+1-0ubuntu0.18.04.2 libgs9 9.25~dfsg+1-0ubuntu0.18.04.2 Ubuntu 16.04 LTS: ghostscript 9.25~dfsg+1-0ubuntu0.16.04.2 libgs9 9.25~dfsg+1-0ubuntu0.16.04.2 Ubuntu 14.04 LTS: ghostscript 9.25~dfsg+1-0ubuntu0.14.04.2 libgs9 9.25~dfsg+1-0ubuntu0.14.04.2 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3803-1 CVE-2018-17961, CVE-2018-18073, CVE-2018-18284 Package Information: https://launchpad.net/ubuntu/+source/ghostscript/9.25~dfsg+1-0ubuntu1.1 https://launchpad.net/ubuntu/+source/ghostscript/9.25~dfsg+1-0ubuntu0.18.04.2 https://launchpad.net/ubuntu/+source/ghostscript/9.25~dfsg+1-0ubuntu0.16.04.2 https://launchpad.net/ubuntu/+source/ghostscript/9.25~dfsg+1-0ubuntu0.14.04.2 - --------------------------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 auscert@auscert.org.au and we will forward your request to the appropriate person. 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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 iQIVAwUBW9lCkWaOgq3Tt24GAQjn8A//ev7/dGxe7KY9itxoJSaz8p1siinp1vCv lLVAXjEkS2UlnushkypiqP15yo6wCbnRubjRjX8Rmivkkvr/HX9wLbPFaAPhS5Ie g8lFVvonCmx30/sjF6kQ2JbvthR9j8yzBJzPPR5Ddir2AXP+1tqrWgQ3RsA3UPHH grSBiIgmuTc57G5E4c9uy1D4bbo6hDQUz4/NLmp5uMJ2+t/ovE5qqKGHF3ITpz07 j5K0Xm/8hOOlyErMhiBeAsotLM4RWSaBPY+2/xdQ8zkAyOXcBZm/jKJeBrGxMjw7 c84TFJU7UhzRGuRSL7BMvpg08u5bbK8rO57CEOEGg/Off6HOjpKfEZ2AC529fjNP njE1c0ngpoKUEWDZ8Ka+XUBZqKX5ZEe/E/7FIT3SKMY+vNHrNPNUNsnpIIvngnrg iJxD5q2+FlrbBn2gjD84azSuufEAA24AMvw/OTxE2erd0kYEeG9+FKIojrDVEVuE mLyKm3TurcjODfQ3B8LjirTXv0H3r29uWEhHA6Zv7lof2AsRvNWfbs1QgnfOVWpU cvx1NnzcUPRLZHBDf+VUZGBGwVA/qgZYaEsap3z7t4D3fPejQ+baP+H1PXPGpriC RQuzfND0Iv8RjxrQI31+jQktpvf+g8Xp/nEnYWjTnGLiOqnT7xgCzVKLuIZKr+Dl SAURLt2pUwQ= =UUi+ -----END PGP SIGNATURE-----