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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3188 libxml2 vulnerability patched in Ubuntu 14 December 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libxml2 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-2017-15412 Original Bulletin: https://www.ubuntu.com/usn/usn-3513-1 https://www.ubuntu.com/usn/usn-3513-2 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running libxml2 check for an updated version of the software for their operating system. This bulletin contains two (2) Ubuntu security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3513-1: libxml2 vulnerability Ubuntu Security Notice USN-3513-1 13th December, 2017 libxml2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 17.04 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary libxml2 could be made to crash or run arbitrary code if it opened a specially crafted file. Software description libxml2 - GNOME XML library Details It was discovered that libxml2 incorrecty handled certain files. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: libxml2 2.9.4+dfsg1-4ubuntu1.2 libxml2-utils 2.9.4+dfsg1-4ubuntu1.2 python-libxml2 2.9.4+dfsg1-4ubuntu1.2 python3-libxml2 2.9.4+dfsg1-4ubuntu1.2 Ubuntu 17.04: libxml2 2.9.4+dfsg1-2.2ubuntu0.3 libxml2-utils 2.9.4+dfsg1-2.2ubuntu0.3 python-libxml2 2.9.4+dfsg1-2.2ubuntu0.3 python3-libxml2 2.9.4+dfsg1-2.2ubuntu0.3 Ubuntu 16.04 LTS: libxml2 2.9.3+dfsg1-1ubuntu0.5 libxml2-utils 2.9.3+dfsg1-1ubuntu0.5 python-libxml2 2.9.3+dfsg1-1ubuntu0.5 Ubuntu 14.04 LTS: libxml2 2.9.1+dfsg1-3ubuntu4.12 libxml2-utils 2.9.1+dfsg1-3ubuntu4.12 python-libxml2 2.9.1+dfsg1-3ubuntu4.12 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-2017-15412 - -------------------------------------------------------------------------------- USN-3513-2: libxml2 vulnerability Ubuntu Security Notice USN-3513-2 13th December, 2017 libxml2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary libxml2 could be made to crash or run arbitrary code if it opened a specially crafted file. Software description libxml2 - GNOME XML library Details USN-3513-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libxml2 incorrecty handled certain files. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: libxml2 2.7.8.dfsg-5.1ubuntu4.20 libxml2-utils 2.7.8.dfsg-5.1ubuntu4.20 python-libxml2 2.7.8.dfsg-5.1ubuntu4.20 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-2017-15412 - --------------------------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. 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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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