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Ubuntu: PCRE vulnerability  21 February 2008 
Posted by Benjamin D. Thomas   
It was discovered that PCRE did not correctly handle very long strings containing UTF8 sequences. In certain situations, an attacker could exploit applications linked against PCRE by tricking a user or automated system in processing a malicious regular expression leading to a denial of service or possibly arbitrary code execution.
 
Ubuntu: libcdio vulnerability  21 February 2008 
Posted by Benjamin D. Thomas   
Devon Miller discovered that the iso-info and cd-info tools did not properly perform bounds checking. If a user were tricked into using these tools with a crafted iso image, an attacker could cause a denial of service via a core dump, and possibly execute arbitrary code.
 
Ubuntu: Qt vulnerability  21 February 2008 
Posted by Benjamin D. Thomas   
It was discovered that QSslSocket did not properly verify SSL certificates. A remote attacker may be able to trick applications using QSslSocket into accepting invalid SSL certificates.
 
Ubuntu: Linux kernel vulnerabilities  13 February 2008 
Posted by Benjamin D. Thomas   
The minix filesystem did not properly validate certain filesystem values. If a local attacker could trick the system into attempting to mount a corrupted minix filesystem, the kernel could be made to hang for long periods of time, resulting in a denial of service. (CVE-2006-6058)
 
Ubuntu: Linux kernel vulnerability  12 February 2008 
Posted by Benjamin D. Thomas   
Wojciech Purczynski discovered that the vmsplice system call did not properly perform verification of user-memory pointers. A local attacker could exploit this to overwrite arbitrary kernel memory and gain root privileges. (CVE-2008-0600)
 
Ubuntu: Firefox vulnerabilities  07 February 2008 
Posted by Benjamin D. Thomas   
Various flaws were discovered in the browser and JavaScript engine. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. (CVE-2008-0412, CVE-2008-0413)
 
Ubuntu: Apache vulnerabilities  04 February 2008 
Posted by Benjamin D. Thomas   
It was discovered that Apache did not sanitize the Expect header from an HTTP request when it is reflected back in an error message, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data (such as passwords), within the same domain. This was only vulnerable in Ubuntu 6.06. (CVE-2006-3918)
 
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