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Ubuntu 10.04 LTS USN-1226-1 Moderate Samba Denial Of Service

An attacker could trick Samba into corrupting the system mtab file.. =========================================================================Ubuntu Security Notice USN-1226-1 October 04, 2011 samba vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS Summary: An attacker could trick Samba into corrupting the system mtab file. Software Description: - samba: SMB/CIFS file, print, and login server for Unix Details: Dan Rosenberg discovered that Samba incorrectly handled changes to the mtab file. A local attacker could use this issue to corrupt the mtab file, possibly leading to a denial of service. (CVE-2011-1678) Jan Lieskovsky discovered that Samba incorrectly filtered certain strings being added to the mtab file. A local attacker could use this issue to corrupt the mtab file, possibly leading to a denial of service. This issue only affected Ubuntu 10.04 LTS. (CVE-2011-2724) Dan Rosenberg discovered that Samba incorrectly handled the mtab lock file. A local attacker could use this issue to create a stale lock file, possibly leading to a denial of service. (CVE-2011-3585) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 10.04 LTS: smbfs 2:3.4.7~dfsg-1ubuntu3.8 Ubuntu 8.04 LTS: smbfs 3.0.28a-1ubuntu4.16 In general, a standard system update will make all the necessary changes. References: CVE-2011-1678, CVE-2011-2724, CVE-2011-3585 Package Information: https://launchpad.net/ubuntu/+source/samba/2:3.4.7~dfsg-1ubuntu3.8 https://launchpad.net/ubuntu/+source/samba/3.0.28a-1ubuntu4.16 . Debian Security Advisory DSA-1234-1 tackles vulnerabilities in Apache that could lead to system crashes. Ensure your system is patched!. Samba Exploit, Ubuntu Security Notice, Denial ofService, System Corruption, Samba Update. . Severity: Important. LinuxSecurity.com Team

Oct 04, 2011 •Important Ubuntu