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Ubuntu: 931-1: FFmpeg vulnerabilities  19 April 2010 
Posted by Benjamin D. Thomas   
It was discovered that FFmpeg contained multiple security issues whenhandling certain multimedia files. If a user were tricked into opening acrafted multimedia file, an attacker could cause a denial of service viaapplication crash, or possibly execute arbitrary code with the privilegesof the user invoking the program. [More...]
Ubuntu: 929-1: irssi vulnerabilities  15 April 2010 
Posted by Benjamin D. Thomas   
It was discovered that irssi did not perform certificate host validationwhen using SSL connections. An attacker could exploit this to perform a manin the middle attack to view sensitive information or alter encryptedcommunications. (CVE-2010-1155) [More...]
Ubuntu: 890-6: CMake vulnerabilities  15 April 2010 
Posted by Benjamin D. Thomas   
USN-890-1 fixed vulnerabilities in Expat. This update provides thecorresponding updates for CMake. [More...]
Ubuntu: 928-1: Sudo vulnerability  15 April 2010 
Posted by Benjamin D. Thomas   
Valerio Costamagna discovered that sudo did not properly validate the pathfor the 'sudoedit' pseudo-command when the PATH contained only a dot ('.').If secure_path and ignore_dot were disabled, a local attacker could exploitthis to execute arbitrary code as root if sudo was configured to allow theattacker to use sudoedit. By default, secure_path is used and the sudoedit [More...]
Ubuntu: 927-3: Thunderbird regression  11 April 2010 
Posted by Benjamin D. Thomas   
USN-927-1 fixed vulnerabilities in NSS. Due to upstream changes in NSS3.12.6, Thunderbird would be unable to initialize the security componentand connect with SSL/TLS if the old libnss3-0d transition package wasinstalled. This update fixes the problem. [More...]
Ubuntu: 920-1: Firefox 3.0 and Xulrunner vulnerabilities  09 April 2010 
Posted by Benjamin D. Thomas   
Martijn Wargers, Josh Soref, Jesse Ruderman, and Ehsan Akhgari discoveredflaws in the browser engine of Firefox. If a user were tricked into viewinga malicious website, a remote attacker could cause a denial of service orpossibly execute arbitrary code with the privileges of the user invokingthe program. (CVE-2010-0174) [More...]
Ubuntu: 927-1: NSS vulnerability  09 April 2010 
Posted by Benjamin D. Thomas   
Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3protocols. If an attacker could perform a man in the middle attack at thestart of a TLS connection, the attacker could inject arbitrary content atthe beginning of the user's session. This update adds support for the newnew renegotiation extension and will use it when the server supports it. [More...]
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