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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1182 USN-3941-1: Lua vulnerability 9 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Lua Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-6706 Reference: ESB-2019.0376 Original Bulletin: https://usn.ubuntu.com/3941-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary Lua could be made to crash if it received a specially crafted script. Software Description o lua5.3 - Simple, extensible, embeddable programming language Details Fady Othman discovered that Lua incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 lua5.3 - 5.3.3-1ubuntu0.18.10.1 Ubuntu 18.04 LTS lua5.3 - 5.3.3-1ubuntu0.18.04.1 Ubuntu 16.04 LTS lua5.3 - 5.3.1-1ubuntu2.1 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-2019-6706 - --------------------------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 iQIVAwUBXKv0M2aOgq3Tt24GAQiX8g//Y7mFEFMtvYJ0QBX8utzZsSAns3Pq5AsD asUeGvVoG6vuIVRSMGIuzTwCavQfVOCLEM5NuZ0eBhC9XW8oFHvKGCFh1VVqgQaX QJdrIuUhYBj2YUi+7VBXPJ8rv2+kp+ByWCzrpYkiwscTFRompzxhwluOq3QDWQ9V YRQefa4K0OeVl0IX66Mfm0bFCw3ZCsWbVQndPs3bJu9El29OKoAg4rMFgJlEAzET Sypo+FNSb4rcj6csvaJ5x2zCOaUC0Y90Hs/pTh/hCRAZAuqUozZIDJLy4FNp2O2z shdOMg2ERZgs7/hTecUdX80Oo5wGngPRT045Kabqu6EKjcfbSBGtre/8qGi13S3E AL4yNJWGky3kgtDT8GZtUzYwyJiSKpokwTYpnkQw/LKCJREZSIWMV9JtMdOcNstW G4iFzSosL3qmuU7Hsudu+kA4NKA2ybTkMX3JZnsfUYBpin1LxP3laYX0prM7zx5A jPwUYMG/7RxsrlZT9RwBdPdbLq7IOGKXZ4keglejjAUu9CpYBLKTdD4+xM7zoAO3 +9D/zV5wSlzfUOV+6aDqOvu/A1vNV7uPEoW9VX7UapjKjSLFSZXiz0Zj4Mv3lh8I tG73RKWxdJxMDHc+Uku8pqdNPA1OlkEZIJm4zhLPcErNQhbP2FpEtE3ExPDBwz0y 5URddaQ/uPQ= =4V+q -----END PGP SIGNATURE-----