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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1670 libytnef vulnerabilities 4 June 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libytnef Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-12141 CVE-2017-9473 CVE-2017-9471 CVE-2017-9146 CVE-2017-9058 Original Bulletin: http://www.ubuntu.com/usn/usn-3667-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running libytnef check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3667-1 May 31, 2018 libytnef vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in libytnef. Software Description: - - libytnef: improved decoder for application/ms-tnef attachments Details: It was discovered that libytnef incorrectly handled certain files. An attacker could possibly use this to cause a denial of service. (CVE-2017-12141, CVE-2017-9146, CVE-2017-9471, CVE-2017-9473) It was discovered that libytnef incorrectly handled certain files. An attacker could possibly use this to access sensitive information. (CVE-2017-9058) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: libytnef0 1.5-6ubuntu0.2 After a standard system update you need to restart applications using libytnef, such as Evolution, to make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3667-1 CVE-2017-12141, CVE-2017-9058, CVE-2017-9146, CVE-2017-9471, CVE-2017-9473 Package Information: https://launchpad.net/ubuntu/+source/libytnef/1.5-6ubuntu0.2 - --------------------------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. 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 iQIVAwUBWxS7S2aOgq3Tt24GAQjmXA/+KJF/QMzyIHX918L5wr+LW0q4ANZAIODJ uzdkYMBqjiFbPjLAhGydsxnDZeVUJKocK5VHKwNwm+OYQ0L2mbjyEjRL0/UJbgFV /V9175F6xyM4PHU57cUMVGT8t+bbpgJfvPu8jhwKTrrhLHzdePA1zGY5lF33nQRM ucS4T2ePw/UB9Z6GpUsCGEaTx6do4U2wmVNm9quMPCUCgv+mGEqgCO5BmIej57hV /QFdl7cRX6MtfrOvhFml+22X08adSEw4CdLBl8Cy0N38z9Avh8bWCI+G++NDjeWQ aAwiYmbIWKHVTKA1FVay1ata4QVUcquK2s8Zsn308ss75BF8UM0zpHdQqBd/TnoU D/HQkVvDPNwtXLJsGe+elIRMZecf6+kBqROIVQGPlXOSDsA+AIgNmMx+aMjWdpnr IRZWYm6lnVd/YCzBCszOJPd/rpRC0urq7tAdeSXE4O0ljYhVd0BB4zqHdmhf2RC0 q+c8+M26k95d/GjDTe0B/d6Xs26iZchK6pUDkBiFyoxLFjekn9r+rrwMzRyu0wzn 7ey2Hqz9TbEZYbPiyq7GXfhABw+FH4gZwcEhtNbD9eEGKZvLfKhOvRbF1kCowsrT eoj9z7FR3nI00In2YTdSaXKwvnBw+xuT/hgGfPbfooq6ISg9g8Xo6yjcSrAnRlU+ kvuCluB6vUo= =EiEG -----END PGP SIGNATURE-----