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Ubuntu
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Ubuntu: X.org regression  19 January 2008 
Posted by Benjamin D. Thomas   
Multiple overflows were discovered in the XFree86-Misc, XInput-Misc, TOG-CUP, EVI, and MIT-SHM extensions which did not correctly validate function arguments. An authenticated attacker could send specially crafted requests and gain root privileges. (CVE-2007-5760, CVE-2007-6427, CVE-2007-6428, CVE-2007-6429)
 
Ubuntu: apt-listchanges vulnerability  18 January 2008 
Posted by Benjamin D. Thomas   
Felipe Sateler discovered that apt-listchanges did not use safe paths when importing additional Python libraries. A local attacker could exploit this and execute arbitrary commands as the user running apt-listchanges.
 
Ubuntu: X.org vulnerabilities  18 January 2008 
Posted by Benjamin D. Thomas   
Multiple overflows were discovered in the XFree86-Misc, XInput-Misc, TOG-CUP, EVI, and MIT-SHM extensions which did not correctly validate function arguments. An authenticated attacker could send specially crafted requests and gain root privileges.
 
Ubuntu: boost vulnerabilities  16 January 2008 
Posted by Benjamin D. Thomas   
Will Drewry and Tavis Ormandy discovered that the boost library did not properly perform input validation on regular expressions. An attacker could send a specially crafted regular expression to an application linked against boost and cause a denial of service via application crash.
 
Ubuntu: libxml2 vulnerability  14 January 2008 
Posted by Benjamin D. Thomas   
Brad Fitzpatrick discovered that libxml2 did not correctly handle certain UTF-8 sequences. If a remote attacker were able to trick a user or automated system into processing a specially crafted XML document, the application linked against libxml2 could enter an infinite loop, leading to a denial of service via CPU resource consumption.
 
Ubuntu: PostgreSQL vulnerabilities  14 January 2008 
Posted by Benjamin D. Thomas   
Nico Leidecker discovered that PostgreSQL did not properly restrict dblink functions. An authenticated user could exploit this flaw to access arbitrary accounts and execute arbitrary SQL queries. (CVE-2007-3278, CVE-2007-6601)
 
Ubuntu: Dovecot vulnerability  10 January 2008 
Posted by Benjamin D. Thomas   
It was discovered that in very rare configurations using LDAP, Dovecot may reuse cached connections for users with the same password. As a result, a user may be able to login as another if the connection is reused. The default Ubuntu configuration of Dovecot was not vulnerable.
 
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