09 May 2019
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1620 USN-3970-1: Ghostscript vulnerability 9 May 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ghostscript Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-3839 Reference: ESB-2019.1607 ESB-2019.1592 Original Bulletin: https://usn.ubuntu.com/3970-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3970-1: Ghostscript vulnerability 8 May 2019 ghostscript vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary Ghostscript could be made to crash, access files, or run programs if it opened a specially crafted file. Software Description o ghostscript - PostScript and PDF interpreter Details It was discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue 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 19.04 ghostscript - 9.26~dfsg+0-0ubuntu7.1 libgs9 - 9.26~dfsg+0-0ubuntu7.1 Ubuntu 18.10 ghostscript - 9.26~dfsg+0-0ubuntu0.18.10.9 libgs9 - 9.26~dfsg+0-0ubuntu0.18.10.9 Ubuntu 18.04 LTS ghostscript - 9.26~dfsg+0-0ubuntu0.18.04.9 libgs9 - 9.26~dfsg+0-0ubuntu0.18.04.9 Ubuntu 16.04 LTS ghostscript - 9.26~dfsg+0-0ubuntu0.16.04.9 libgs9 - 9.26~dfsg+0-0ubuntu0.16.04.9 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . In general, a standard system update will make all the necessary changes. References o CVE-2019-3839 - --------------------------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 firstname.lastname@example.org 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. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXNOLy2aOgq3Tt24GAQgZjBAAsIRXCfJt5vilOHLd9IQrScEcR5/DWW1k j3IT5MTsdIZiz2zVXX5fMDV27QJzdSdmpTg/gHvha+z8Ht4Fwr3L9sCTNXAo/TD4 AtmA5Luvo1z3OVneK88G3ADrywzQLg+javzLPEpwCfIfpG/dN2jfLjICUKbeXcg4 jaDs7i4PUikBWKjNypOMQWjIkKtlhvprN4RujAA8ScpS0DQXhCLZ27fhZQJf9v0l 5tq+B/eaQvXQh5iIz/t4h9h3M9WF25t8NjZz8omZOYGc+hF6JVp/6f0bh2RQpPXg PDqEUKQ4VXvkgWUDUDIZZz1MF+559jgcjqGopzjZn0uEejLLfnIB1UtKXIvvsWCm U2/Co+geZBWkgY7jsbX1nFkTLq7rW8zjpFaRBQ5K4pwk5LnctIx5OsTzi1pHPe+l DicHSaGa8K02JRaiNAtYFDDLwvepGY5GcDLt+ForngRbG6us7rJH5cQwEI5+rCUx MkptQRVZHW/dbKe1vVb6b2G8yeTdnt85SqUWjCS/Gw+qBiWtSZWm2edZ77CIT3Vr xWvEwmBHa//4Jla4QFl6fVplPRZd8HOW2gYavlHWxDpWGU9H8pNHP0xedqQ7/RF2 EE6lLHYfLtkL9GNboxgpqQTnNEB3XKE5PYgcAsvtBdomZ/t9Z7cMNWFvDWppXQc7 arTAMgOkYZQ= =knbZ -----END PGP SIGNATURE-----