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Ubuntu: 999-1: Kerberos vulnerability  05 October 2010 
Posted by Benjamin D. Thomas   
Mike Roszkowski discovered that the Kerberos KDC did not correctlyvalidate the contents of certain messages. If an authenticated remoteattacker sent specially crafted TGS requests, the KDC service would crash,leading to a denial of service. [More...]
Ubuntu: 992-1: Avahi vulnerabilities  29 September 2010 
Posted by Benjamin D. Thomas   
It was discovered that Avahi incorrectly handled certain mDNS query packetswhen the reflector feature is enabled, which is not the defaultconfiguration on Ubuntu. A remote attacker could send crafted mDNS queriesand perform a denial of service on the server and on the network. Thisissue only affected Ubuntu 8.04 LTS and 9.04. (CVE-2009-0758) [More...]
Ubuntu: 994-1: libHX vulnerability  29 September 2010 
Posted by Benjamin D. Thomas   
It was discovered that libHX incorrectly handled certain parameters to theHX_split function. An attacker could use this flaw to cause a denial ofservice or possibly execute arbitrary code with the privileges of the user. [More...]
Ubuntu: 991-1: quassel vulnerability  23 September 2010 
Posted by Benjamin D. Thomas   
Jima discovered that quassel would respond to a single privmsgcontaining multiple CTCP requests with multiple NOTICEs, possiblyresulting in a denial of service against the IRC connection. [More...]
Ubuntu: 990-2: Apache vulnerability  21 September 2010 
Posted by Benjamin D. Thomas   
USN-860-1 introduced a partial workaround to Apache that disabled clientinitiated TLS renegotiation in order to mitigate CVE-2009-3555. USN-990-1introduced the new RFC5746 renegotiation extension in openssl, andcompletely resolves the issue. [More...]
Ubuntu: 990-1: OpenSSL vulnerability  21 September 2010 
Posted by Benjamin D. Thomas   
Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3protocols. If an attacker could perform a man in the middle attack at thestart of a TLS connection, the attacker could inject arbitrary content atthe beginning of the user's session. This update adds backported supportfor the new RFC5746 renegotiation extension and will use it when both the [More...]
Ubuntu: 986-3: dpkg vulnerability  20 September 2010 
Posted by Benjamin D. Thomas   
USN-986-1 fixed vulnerabilities in bzip2. dpkg statically links against libbz2and needed to be rebuilt to use the updated libbz2. [More...]
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