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Ubuntu: Ruby vulnerabilities  20 July 2009 
Posted by Benjamin D. Thomas   
It was discovered that Ruby did not properly validate certificates. An attacker could exploit this and present invalid or revoked X.509 certificates. (CVE-2009-0642) It was discovered that Ruby did not properly handle string arguments that represent large numbers. An attacker could exploit this and cause a denial of service. (CVE-2009-1904)
 
Ubuntu: D-Bus vulnerability  13 July 2009 
Posted by Benjamin D. Thomas   
It was discovered that the D-Bus library did not correctly validate signatures. If a local user sent a specially crafted D-Bus key, they could spoof a valid signature and bypass security policies.
 
Ubuntu: tiff vulnerability  13 July 2009 
Posted by Benjamin D. Thomas   
Tielei Wang and Tom Lane discovered that the TIFF library did not correctly handle certain malformed TIFF images. If a user or automated system were tricked into processing a malicious image, an attacker could execute arbitrary code with the privileges of the user invoking the program.
 
Ubuntu: Apache vulnerabilities  13 July 2009 
Posted by Benjamin D. Thomas   
It was discovered that mod_proxy_http did not properly handle a large amount of streamed data when used as a reverse proxy. A remote attacker could exploit this and cause a denial of service via memory resource consumption. This issue affected Ubuntu 8.04 LTS, 8.10 and 9.04. (CVE-2009-1890) It was discovered that mod_deflate did not abort compressing large files when the connection was closed. A remote attacker could exploit this and cause a denial of service via CPU resource consumption. (CVE-2009-1891)
 
Ubuntu: tiff vulnerability  06 July 2009 
Posted by Benjamin D. Thomas   
It was discovered that the TIFF library did not correctly handle certain malformed TIFF images. If a user or automated system were tricked into processing a malicious image, a remote attacker could cause an application linked against libtiff to crash, leading to a denial of service.
 
Ubuntu: Perl vulnerability  02 July 2009 
Posted by Benjamin D. Thomas   
It was discovered that the Compress::Raw::Zlib Perl module incorrectly handled certain zlib compressed streams. If a user or automated system were tricked into processing a specially crafted compressed stream or file, a remote attacker could crash the application, leading to a denial of service.
 
Ubuntu: Nagios vulnerability  02 July 2009 
Posted by Benjamin D. Thomas   
It was discovered that Nagios did not properly parse certain commands submitted using the WAP web interface. An authenticated user could exploit this flaw and execute arbitrary programs on the server.
 
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