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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4017 USN-4169-1: libarchive vulnerability 30 October 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libarchive Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-18408 Reference: ESB-2019.3964 Original Bulletin: https://usn.ubuntu.com/4169-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4169-1: libarchive vulnerability 29 October 2019 libarchive vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS o Ubuntu 14.04 ESM Summary libarchive could be made to execute arbitrary code if it received specially crafted archive file. Software Description o libarchive - Library to read/write archive files Details It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libarchive13 - 3.3.3-4ubuntu0.1 Ubuntu 18.04 LTS libarchive13 - 3.2.2-3.1ubuntu0.5 Ubuntu 16.04 LTS libarchive13 - 3.1.2-11ubuntu0.16.04.7 Ubuntu 14.04 ESM libarchive13 - 3.1.2-7ubuntu2.8+esm1 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-2019-18408 - --------------------------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 iQIVAwUBXbkIUWaOgq3Tt24GAQjxexAA1sBiFf5TWy4gzfw6+A7JzL9zSbX33R38 X+u234MB+x3JGk2OLOEfZrtQISqpw5bf3PKMmnJBvxCp/75/lYkXbFY+TDk0E2kM FPdROhXhc6LZ4jjPLegFmuNPuYDOMPB5yoFd4lETbrA4m3JUMdO6h+x7kcWLfla9 nqEIbLR3wjPKAwlNPT7w9lIJTUycc7MHrLn61ydUXShjhGRNssv8DQpDjBsGMRlk dXnAjmdIVWqFYSA9aW7yMj1m0voCW0XLEiH1KqrDAfd0GVVT4oCBsXfbxYT2B5pk I5gOV9d3CIDfiEdhXsL1OKhZsMmBEFM9aZoDWsr5XtB/rzxLTGIAsPE4LUqMPdQ0 4z7qyMbIFUr+SLBlo6V3fLTQlko2QUlXov1AEjCuf82x2/sPdVxLyvajtqb5mn8M b1swH7JhjnblGl9s0T68SGNyZh7bOpImTBJIqq25vp8ICLTYbJ5KjsctLAh5uvqU 8fVolN8BumZozmTpR7f8/wHqjNhXu3eMzByqVKCl+PVZnLCltoSkOglk1uUN8L9F mfJ0Knc0fVokmeiPzvgwyWCvpf45oNEvK2SN+SpzX5T6sdgQW6PRg88UFdEq13Zq 1L1ctTfxBTa/lysH63ZMRvIfjDPe3WQlAlumwUdg+z/UaSkv4zDUuM2APykpeLG8 qy1QvW/0J30= =b8Sg -----END PGP SIGNATURE-----