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Ubuntu 16.04 LTS: USN-2634-1 Security: libxml2 Denial Of Service

Applications using libxslt could be made to crash or run programs as your login if they processed a specially crafted file.. =========================================================================Ubuntu Security Notice USN-1595-1 October 04, 2012 libxslt vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS Summary: Applications using libxslt could be made to crash or run programs as your login if they processed a specially crafted file. Software Description: - libxslt: XSLT processing library Details: Chris Evans discovered that libxslt incorrectly handled generate-id XPath functions. If a user or automated system were tricked into processing a specially crafted XSLT document, a remote attacker could obtain potentially sensitive information. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS and Ubuntu 11.04. (CVE-2011-1202) It was discovered that libxslt incorrectly parsed certain patterns. If a user or automated system were tricked into processing a specially crafted XSLT document, a remote attacker could cause libxslt to crash, causing a denial of service. (CVE-2011-3970) Nicholas Gregoire discovered that libxslt incorrectly handled unexpected DTD nodes. If a user or automated system were tricked into processing a specially crafted XSLT document, a remote attacker could cause libxslt to crash, causing a denial of service. (CVE-2012-2825) Nicholas Gregoire discovered that libxslt incorrectly managed memory. If a user or automated system were tricked into processing a specially crafted XSLT document, a remote attacker could cause libxslt to crash, causing a denial of service. (CVE-2012-2870) Nicholas Gregoire discovered that libxslt incorrectly handled certain transforms. If a user or automated system were tricked into processing a specially craftedXSLT document, a remote attacker could cause libxslt to crash, causing a denial of service, or possibly execute arbitrary code. (CVE-2012-2871) Cris Neckar discovered that libxslt incorrectly managed memory. If a user or automated system were tricked into processing a specially crafted XSLT document, a remote attacker could cause libxslt to crash, causing a denial of service, or possibly execute arbitrary code. (CVE-2012-2893) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 LTS: libxslt1.1 1.1.26-8ubuntu1.2 Ubuntu 11.10: libxslt1.1 1.1.26-7ubuntu0.1 Ubuntu 11.04: libxslt1.1 1.1.26-6ubuntu0.1 Ubuntu 10.04 LTS: libxslt1.1 1.1.26-1ubuntu1.1 Ubuntu 8.04 LTS: libxslt1.1 1.1.22-1ubuntu1.3 In general, a standard system update will make all the necessary changes. References: CVE-2011-1202, CVE-2011-3970, CVE-2012-2825, CVE-2012-2870, CVE-2012-2871, CVE-2012-2893 Package Information: https://launchpad.net/ubuntu/+source/libxslt/1.1.26-8ubuntu1.2 https://launchpad.net/ubuntu/+source/libxslt/1.1.26-7ubuntu0.1 https://launchpad.net/ubuntu/+source/libxslt/1.1.26-6ubuntu0.1 https://launchpad.net/ubuntu/+source/libxslt/1.1.26-1ubuntu1.1 https://launchpad.net/ubuntu/+source/libxslt/1.1.22-1ubuntu1.3 . Ubuntu Security Notice USN-1595-1 details serious libxslt flaws that can lead to application crashes and system attacks.. libxslt vulnerabilities, library security, Ubuntu advisory. . Severity: Critical. LinuxSecurity.com Team

Oct 04, 2012 •Critical Ubuntu