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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2531 GD vulnerabilities 28 August 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libgd2 Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-1000222 CVE-2018-5711 Original Bulletin: http://www.ubuntu.com/usn/usn-3755-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running libgd2 check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3755-1: GD vulnerabilities 27 August 2018 libgd2 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Several security issues were fixed in GD. Software Description libgd2 - GD Graphics Library Details It was discovered that GD incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-1000222) It was discovered that GD incorrectly handled certain GIF files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-5711) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS libgd-tools - 2.2.5-4ubuntu0.2 libgd3 - 2.2.5-4ubuntu0.2 Ubuntu 16.04 LTS libgd-tools - 2.1.1-4ubuntu0.16.04.10 libgd3 - 2.1.1-4ubuntu0.16.04.10 Ubuntu 14.04 LTS libgd-tools - 2.1.0-3ubuntu0.10 libgd3 - 2.1.0-3ubuntu0.10 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 CVE-2018-1000222 CVE-2018-5711 - --------------------------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 iQIVAwUBW4SptGaOgq3Tt24GAQjw+RAAwxkEHJetwbwuW2M+J3OPQB489gi27MoT 6zdoKgZqy30cXbpZBAFkyJJ3x652ne+wXCZLF7KAYdV8Fb2oJUpp8ELuVkxF4Jf+ KCTT2SdBv0FvP5Okq3SQn+CvjecuHnv/Jt8W7UnSu/RtPiwtXN7KtuRDPPFc0RrT MD0syxP59PRGY95K6pIqiUUTjNKvsr4O7w2iIM19uIyl07w6EZcdzITAyxRhDC+x /Z5EU/hFxVRFNyy7+pa1u4OrDvHZB65F7k02AMlw2QbZ6FAAd7yTaztGLjVZ3DBX pVW/mAW5ByZn23YoPV1fsMV6pCyOWdNJNSpdTjaVxVoUqx111Fojd3/eAp5lRmd0 5WCwakIMHm9tuXUToUjVXKa/MrGoHK/bVcIQHrwvIvhu0hLC6LUkwfPbNbQ1L51E o2S5MvLpkPYMgNEs1fMxnfqI8/Dm4sToyanpXwM6jI3rErk786YOc60qV/Q5sm/1 sSW1MemDcHq5P9yzzyRB/f7MIHrBvUBF4RIUztfFPK0pj6+FWPTxrGb6/yU4wkJn 64gszR4lZLRzqQcp4pDsaWuncpJpqXIqWHdqoH+ANoDCo6QpqK8QyJzFFnJrBbAZ 5Lyjx9qqz/OSTcS+KqP+697C9oG5UJ0PHqDCBTjVEFVGnTZjtRPpDIFj4KEsXd5j DEwtSqqvAgQ= =+KUp -----END PGP SIGNATURE-----