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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0186 LibTIFF vulnerabilities 23 January 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libtiff-tools Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-18661 CVE-2018-18557 CVE-2018-17101 CVE-2018-17100 CVE-2018-10963 CVE-2018-8905 CVE-2018-7456 Reference: ESB-2018.3736 ESB-2018.1914 ESB-2018.1461 ESB-2018.1159.2 Original Bulletin: https://usn.ubuntu.com/usn/usn-3864-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3864-1 January 22, 2019 tiff 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: LibTIFF could be made to crash or run programs as your login if it opened a specially crafted file. Software Description: - - tiff: Tag Image File Format (TIFF) library Details: It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: libtiff-tools 4.0.9-6ubuntu0.1 libtiff5 4.0.9-6ubuntu0.1 Ubuntu 18.04 LTS: libtiff-tools 4.0.9-5ubuntu0.1 libtiff5 4.0.9-5ubuntu0.1 Ubuntu 16.04 LTS: libtiff-tools 4.0.6-1ubuntu0.5 libtiff5 4.0.6-1ubuntu0.5 Ubuntu 14.04 LTS: libtiff-tools 4.0.3-7ubuntu0.10 libtiff5 4.0.3-7ubuntu0.10 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3864-1 CVE-2018-10963, CVE-2018-17100, CVE-2018-17101, CVE-2018-18557, CVE-2018-18661, CVE-2018-7456, CVE-2018-8905 Package Information: https://launchpad.net/ubuntu/+source/tiff/4.0.9-6ubuntu0.1 https://launchpad.net/ubuntu/+source/tiff/4.0.9-5ubuntu0.1 https://launchpad.net/ubuntu/+source/tiff/4.0.6-1ubuntu0.5 https://launchpad.net/ubuntu/+source/tiff/4.0.3-7ubuntu0.10 - --------------------------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. 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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 iQIVAwUBXEe/EmaOgq3Tt24GAQgctA/+LS/hVPz2Q++BIBBvfoSfObapwNR8SlFh 0Vu73yFstdGHCfqjaH2IiJ0NCSrGawvKXkoUerMzeAiFVK3lZUe74r4wZaXlS1GW BlFCpruRRZAMBH8gKTQVoB3c8ChE+jYs3iSEOUUsC1ayKauZvLyNwpTSFtJ91ACE naewZbjdjtd/Ir4CgNL3+GT1i4hS3zYqHjrICk59Jw1wyAsI5zi7NAXHbq7GvRy4 QjZLV4IKQFPrGdYF90P/Z9+/8VhrMA1l1/nA1gJDLheQ29C0WDrpAKjA4W1D+PII /Bwnzvnkw8qSgbifGgfGFkreSk7k8/XjWm7+98v4Xfdg6sWYj6/70MVXGhg+18O3 5+rxERwOWjluQK33JrBrDvdUNg9sqXr/kEykp+UWXANJXcvulaSGIJcU4QGjnyTo LUORHkfViiZIoy/iVbJF7RcOy8P+9iYMO/wscmzQW34c+9rjhYNSc53MJ5qo2rek oLE7OsUjAbLwoBFtAapsKJEhVrtM9PBP/Oyca/TZ023S8Lhmsh5+5KQ8w9IHaqWr nsk6auuhqxS9XKIBPx8cBIbFjEj8C3zyiasCysf7jVrDwNrVxWBu1HERSnzme5sn VvqPXlzRDneSFGQ7HfBE5UUJ0OdCdAZyLZqPmuJwcWNk3J/tgbsWvmIXbh2EFKcZ o4WYDNzz7gM= =sGXf -----END PGP SIGNATURE-----