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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.3849 pixman vulnerability 12 December 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: pixman Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2015-5297 Reference: ESB-2018.3637 Original Bulletin: http://www.ubuntu.com/usn/usn-3843-1 http://www.ubuntu.com/usn/usn-3843-2 Comment: This bulletin contains two (2) Ubuntu security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3843-1 December 11, 2018 pixman vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 14.04 LTS Summary: pixman could be made to crash or run programs if it processed specially crafted instructions. Software Description: - - pixman: pixel-manipulation library for X and cairo Details: It was discovered that pixman incorrectly handled the general_composite_rect function. A remote attacker could use this issue to cause pixman to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: libpixman-1-0 0.30.2-2ubuntu1.2 After a standard system update you need to restart your session to make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3843-1 CVE-2015-5297 Package Information: https://launchpad.net/ubuntu/+source/pixman/0.30.2-2ubuntu1.2 - -------------------------------------------------------------------------------- ========================================================================== Ubuntu Security Notice USN-3843-2 December 11, 2018 pixman vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 12.04 ESM Summary: pixman could be made to crash or run programs if it processed specially crafted instructions. Software Description: - - pixman: pixel-manipulation library for X and cairo Details: USN-3843-1 fixed a vulnerability in pixman. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that pixman incorrectly handled the general_composite_rect function. A remote attacker could use this issue to cause pixman to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libpixman-1-0 0.30.2-1ubuntu0.0.0.0.4 After a standard system update you need to restart your session to make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3843-2 https://usn.ubuntu.com/usn/usn-3843-1 CVE-2015-5297 - --------------------------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). 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