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Ubuntu: KOffice vulnerability  17 April 2008 
Posted by Benjamin D. Thomas   
USN-603-1 fixed vulnerabilities in poppler. This update provides the corresponding updates for KWord, part of KOffice. Original advisory details: It was discovered that the poppler PDF library did not correctly handle certain malformed embedded fonts. If a user or an automated system were tricked into opening a malicious PDF, a remote attacker could execute arbitrary code with user privileges.
Ubuntu: rsync vulnerability  11 April 2008 
Posted by Benjamin D. Thomas   
Sebastian Krahmer discovered that rsync could overflow when handling ACLs. An attacker could construct a malicious set of files that when processed by rsync could lead to arbitrary code execution or a crash.
Ubuntu: Ghostscript vulnerability  09 April 2008 
Posted by Benjamin D. Thomas   
Chris Evans discovered that Ghostscript contained a buffer overflow in its color space handling code. If a user or automated system were tricked into opening a crafted Postscript file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program. (CVE-2008-0411)
Ubuntu: CUPS vulnerabilities  02 April 2008 
Posted by Benjamin D. Thomas   
It was discovered that the CUPS administration interface contained a heap- based overflow flaw. A local attacker, and a remote attacker if printer sharing is enabled, could send a malicious request and possibly execute arbitrary code as the non-root user in Ubuntu 6.06 LTS, 6.10, and 7.04. In Ubuntu 7.10, attackers would be isolated by the AppArmor CUPS profile. (CVE-2008-0047)
Ubuntu: MySQL regression  02 April 2008 
Posted by Benjamin D. Thomas   
USN-588-1 fixed vulnerabilities in MySQL. In fixing CVE-2007-2692 for Ubuntu 6.06, additional improvements were made to make privilege checks more restictive. As a result, an upstream bug was exposed which could cause operations on tables or views in a different database to fail. This update fixes the problem.
Ubuntu: OpenSSH vulnerability  02 April 2008 
Posted by Benjamin D. Thomas   
Timo Juhani Lindfors discovered that the OpenSSH client, when port forwarding was requested, would listen on any available address family. A local attacker could exploit this flaw on systems with IPv6 enabled to hijack connections, including X11 forwards.
Ubuntu: Ruby vulnerabilities  26 March 2008 
Posted by Benjamin D. Thomas   
Chris Clark discovered that Ruby's HTTPS module did not check for commonName mismatches early enough during SSL negotiation. If a remote attacker were able to perform man-in-the-middle attacks, this flaw could be exploited to view sensitive information in HTTPS requests coming from Ruby applications. (CVE-2007-5162)
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