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Ubuntu: Squid vulnerabilities  24 January 2007 
Posted by Benjamin D. Thomas   
David Duncan Ross Palmer and Henrik Nordstrom discovered that squid incorrectly handled special characters in FTP URLs. Remote users with access to squid could crash the server leading to a denial of service.
Ubuntu: BlueZ vulnerability  23 January 2007 
Posted by Benjamin D. Thomas   
A flaw was discovered in the HID daemon of bluez-utils. A remote attacker could gain control of the mouse and keyboard if hidd was enabled. This does not affect a default Ubuntu installation, since hidd is normally disabled.
Ubuntu: GeoIP vulnerability  23 January 2007 
Posted by Benjamin D. Thomas   
Dean Gaudet discovered that the GeoIP update tool did not validate the filename responses from the update server. A malicious server, or man-in-the-middle system posing as a server, could write to arbitrary files with user privileges.
Ubuntu: libsoup vulnerability  23 January 2007 
Posted by Benjamin D. Thomas   
Roland Lezuo and Josselin Mouette discovered that the HTTP server code in libsoup did not correctly verify request headers. Remote attackers could crash applications using libsoup by sending a crafted HTTP request, resulting in a denial of service.
Ubuntu: poppler vulnerability  18 January 2007 
Posted by Benjamin D. Thomas   
The poppler PDF loader library did not limit the recursion depth of the page model tree. By tricking a user into opening a specially crafter PDF file, this could be exploited to trigger an infinite loop and eventually crash an application that uses this library. kpdf in Ubuntu 5.10, and KOffice in all Ubuntu releases contains a copy of this code and thus is affected as well.
Ubuntu: ksirc vulnerability  15 January 2007 
Posted by Benjamin D. Thomas   
Federico L. Bossi Bonin discovered a Denial of Service vulnerability in ksirc. By sending a special response packet, a malicious IRC server could crash ksirc.
Ubuntu: krb5 vulnerability  15 January 2007 
Posted by Benjamin D. Thomas   
The server-side portion of Kerberos' RPC library had a memory management flaw which allowed users of that library to call a function pointer located in unallocated memory. By doing specially crafted calls to the kadmind server, a remote attacker could exploit this to execute arbitrary code with root privileges on the target computer.
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