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



Ubuntu: Linux kernel vulnerabilities  30 August 2007 
Posted by Benjamin D. Thomas   
A flaw in the sysfs_readdir function allowed a local user to cause a denial of service by dereferencing a NULL pointer. (CVE-2007-3104) A buffer overflow was discovered in the random number generator. In environments with granular assignment of root privileges, a local attacker could gain additional privileges. (CVE-2007-3105)
 
Ubuntu: tcp-wrappers vulnerability  29 August 2007 
Posted by Benjamin D. Thomas   
It was discovered that the TCP wrapper library was incorrectly allowing connections to services that did not specify server-side connection details. Remote attackers could connect to services that had been configured to block such connections. This only affected Ubuntu Feisty.
 
Ubuntu: Enigmail regression  28 August 2007 
Posted by Benjamin D. Thomas   
USN-469-1 fixed vulnerabilities in the Mozilla Thunderbird email client. The updated Thunderbird version broken compatibility with the Enigmail plugin. This update corrects the problem. We apologize for the inconvenience.
 
Ubuntu: Emacs vulnerability  28 August 2007 
Posted by Benjamin D. Thomas   
Hendrik Tews discovered that emacs21 did not correctly handle certain GIF images. By tricking a user into opening a specially crafted GIF, a remote attacker could cause emacs21 to crash, resulting in a denial of service.
 
Ubuntu: tar vulnerability  28 August 2007 
Posted by Benjamin D. Thomas   
Dmitry V. Levin discovered that tar did not correctly detect the ".." file path element when unpacking archives. If a user or an automated system were tricked into unpacking a specially crafted tar file, arbitrary files could be overwritten with user privileges.
 
Ubuntu: vim vulnerability  28 August 2007 
Posted by Benjamin D. Thomas   
Ulf Harnhammar discovered that vim does not properly sanitise the "helptags_one()" function when running the "helptags" command. By tricking a user into running a crafted help file, a remote attacker could execute arbitrary code with the user's privileges.
 
Ubuntu: KDE vulnerabilities  27 August 2007 
Posted by Benjamin D. Thomas   
It was discovered that Konqueror could be tricked into displaying incorrect URLs. Remote attackers could exploit this to increase their chances of tricking a user into visiting a phishing URL, which could lead to credential theft.
 
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