Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0166 GDK-PixBuf vulnerabilities 16 January 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: GDK-PixBuf 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-2017-1000422 CVE-2017-6314 CVE-2017-6313 CVE-2017-6312 Reference: ESB-2017.2256 Original Bulletin: http://www.ubuntu.com/usn/usn-3532-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3532-1: GDK-PixBuf vulnerabilities Ubuntu Security Notice USN-3532-1 15th January, 2018 gdk-pixbuf vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Several security issues were fixed in GDK-PixBuf. Software description gdk-pixbuf - GDK Pixbuf library Details It was discoreved that GDK-PixBuf incorrectly handled certain gif images. An attacker could use this to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-1000422) Ariel Zelivansky discovered that GDK-PixBuf incorrectly handled certain images. An attacker could use this to cause a denial of service. (CVE-2017-6312, CVE-2017-6313) Ariel Zelivansky discovered that GDK-PixBuf incorrectly handled large TIFF files. An attacker could use this to cause a denial of service. (CVE-2017-6314) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: libgdk-pixbuf2.0-0 2.36.11-1ubuntu0.1 Ubuntu 16.04 LTS: libgdk-pixbuf2.0-0 2.32.2-1ubuntu1.4 Ubuntu 14.04 LTS: libgdk-pixbuf2.0-0 2.30.7-0ubuntu1.8 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart your session to make all the necessary changes. References CVE-2017-1000422, CVE-2017-6312, CVE-2017-6313, CVE-2017-6314 - --------------------------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 iQIVAwUBWl01lYx+lLeg9Ub1AQjT+w/+ODAS4qXxRUAJLxpJ1q/FGBiP8GIo/P2x r1mpBX6WjoaT1iXMIq7AWmjdGJ8EYjl69k4lh/nLzlgeTPl3WhM8T/sLn8u1YVrJ KQThKNy1mXE+qiSVxUi9V/Ldhu5MHqh7FuzFvfPjVxeCrPvbU14tbEQO8m7OMWW6 NOsl33S06RJzHf8L+u2SSMPkdKfLNmJVNWf+PtQnJn6Wppay78tTKNj8Ibi9ukQc doAXIEtQ7EZ0yKjMoWFsmDnVVvIFgg5ES+sprrPEpp1Nxa9fmKJ6LC1/sUMt/54A EOVsHo6jRFZSKHuQGtZWz04pu6nrqqLUzZOMuuaPBovm8koxol9Mmv2vwnxV3IVq /pJgacpj7X6Mf9NcSZupNWqKvWcRUf7tOtodeEoGRYF8Gqez2c/Zp+Bf6fcY4Mkj cW6vdsw1wPqzxAfwaG/X9cz8C1dnpIad9ZFuBzlYcYOg2ztQMK6C18KmY3kSJFxK GJ6ShQzaaGaVhlh70LmVwuRY2ZOIhakKOXv1J8H0LThq0OeVvxjxaC+wUO3KuvrT i0TBbowMi16JKPbv3r5HzHTAOOmdOTgUDX5Q18iB8q6BG+8G3qExcHenhlwbH8fO e07fV59bZdyqzWcwCsbsfhku//6ywg0Al0NEZI330sV63ep1mTeqyF917PKmwCji PYDIv+TU0rQ= =ZJDQ -----END PGP SIGNATURE-----