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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2362 USN-3418-1: GDK-PixBuf vulnerabilities 19 September 2017 =========================================================================== 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-2017-6311 CVE-2017-2870 CVE-2017-2862 Reference: ESB-2017.2207 Original Bulletin: http://www.ubuntu.com/usn/usn-3418-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3418-1: GDK-PixBuf vulnerabilities Ubuntu Security Notice USN-3418-1 18th September, 2017 gdk-pixbuf vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary GDK-PixBuf could be made to crash or run programs as your login if it opened a specially crafted file. Software description gdk-pixbuf - GDK Pixbuf library Details It was discovered that the GDK-PixBuf library did not properly handle certain jpeg images. If an user or automated system were tricked into opening a specially crafted jpeg file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-2862) It was discovered that the GDK-PixBuf library did not properly handle certain tiff images. If an user or automated system were tricked into opening a specially crafted tiff file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-2870) Ariel Zelivansky discovered that the GDK-PixBuf library did not properly handle printing certain error messages. If an user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service. (CVE-2017-6311) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.04: libgdk-pixbuf2.0-0 2.36.5-3ubuntu0.2 Ubuntu 16.04 LTS: libgdk-pixbuf2.0-0 2.32.2-1ubuntu1.3 Ubuntu 14.04 LTS: libgdk-pixbuf2.0-0 2.30.7-0ubuntu1.7 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-2017-2862, CVE-2017-2870, CVE-2017-6311 - --------------------------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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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). 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