Stay Secure with the Latest Linux Advisories

security advisorycode executionupdate instructions

Ubuntu 11.10: 1348-1 Critical: ICU Crash and Code Execution Threat

ICU could be made to crash or run programs as your login if it opened specially crafted data.. =========================================================================Ubuntu Security Notice USN-1348-1 January 26, 2012 icu vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.10 - Ubuntu 10.04 LTS Summary: ICU could be made to crash or run programs as your login if it opened specially crafted data. Software Description: - icu: International Components for Unicode library Details: It was discovered that ICU did not properly handle invalid locale data during Unicode conversion. If an application using ICU processed crafted data, an attacker could cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 11.10: libicu44 4.4.2-2ubuntu0.11.10.1 Ubuntu 11.04: libicu44 4.4.2-2ubuntu0.11.04.1 Ubuntu 10.10: libicu42 4.2.1-3ubuntu0.10.10.1 Ubuntu 10.04 LTS: libicu42 4.2.1-3ubuntu0.10.04.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-1348-1 CVE-2011-4599 Package Information: https://launchpad.net/ubuntu/+source/icu/4.4.2-2ubuntu0.11.10.1 https://launchpad.net/ubuntu/+source/icu/4.4.2-2ubuntu0.11.04.1 https://launchpad.net/ubuntu/+source/icu/4.2.1-3ubuntu0.10.10.1 https://launchpad.net/ubuntu/+source/icu/4.2.1-3ubuntu0.10.04.1 . Vulnerabilities may cause ICU to fail or run unauthorized scripts from specially designed input. Patching guidelines provided for impacted versions of Ubuntu.. ICU Threat, Ubuntu Security Update, Code Execution Issue. .Severity: Critical. LinuxSecurity.com Team

Jan 26, 2012 •Critical Ubuntu