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To browse through our weekly Linux Advisory Watch newsletters, click here.



Ubuntu: KTorrent vulnerabilities  12 March 2007 
Posted by Benjamin D. Thomas   
Bryan Burns of Juniper Networks discovered that KTorrent did not correctly validate the destination file paths nor the HAVE statements sent by torrent peers. A malicious remote peer could send specially crafted messages to overwrite files or execute arbitrary code with user privileges.
 
Ubuntu: Xine vulnerability  12 March 2007 
Posted by Benjamin D. Thomas   
Moritz Jodeit discovered that the DirectShow loader of Xine did not correctly validate the size of an allocated buffer. By tricking a user into opening a specially crafted media file, an attacker could execute arbitrary code with the user's privileges.
 
Ubuntu: Ekiga vulnerability  08 March 2007 
Posted by Benjamin D. Thomas   
It was discovered that Ekiga had format string vulnerabilities beyond those fixed in USN-426-1. If a user was running Ekiga and listening for incoming calls, a remote attacker could send a crafted call request, and execute arbitrary code with the user's privileges.
 
Ubuntu: Xine vulnerability  08 March 2007 
Posted by Benjamin D. Thomas   
Moritz Jodeit discovered that the DMO loader of Xine did not correctly validate the size of an allocated buffer. By tricking a user into opening a specially crafted media file, an attacker could execute arbitrary code with the user's privileges.
 
Ubuntu: GnuPG vulnerability  08 March 2007 
Posted by Benjamin D. Thomas   
Gerardo Richarte from Core Security Technologies discovered that when gnupg is used without --status-fd, there is no way to distinguish initial unsigned messages from a following signed message.
 
Ubuntu: PHP regression  08 March 2007 
Posted by Benjamin D. Thomas   
USN-424-1 fixed vulnerabilities in PHP. However, some upstream changes were not included, which caused errors in the stream filters. This update fixes the problem.
 
Ubuntu: Thunderbird vulnerabilities  06 March 2007 
Posted by Benjamin D. Thomas   
The SSLv2 protocol support in the NSS library did not sufficiently check the validity of public keys presented with a SSL certificate. A malicious SSL web site using SSLv2 could potentially exploit this to execute arbitrary code with the user's privileges. (CVE-2007-0008) The SSLv2 protocol support in the NSS library did not sufficiently verify the validity of client master keys presented in an SSL client certificate. A remote attacker could exploit this to execute arbitrary code in a server application that uses the NSS library.
 
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