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View Full Version : USN-696-1: Avahi vulnerabilities



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December 19th, 2008, 12:00 AM
Referenced CVEs:
CVE-2007-3372, CVE-2008-5081


Description:
================================================== =========Ubuntu Security Notice USN-696-1 December 18, 2008avahi vulnerabilitiesCVE-2007-3372, CVE-2008-5081============================================== =============A security issue affects the following Ubuntu releases:Ubuntu 6.06 LTSUbuntu 7.10Ubuntu 8.04 LTSUbuntu 8.10This advisory also applies to the corresponding versions ofKubuntu, Edubuntu, and Xubuntu.The problem can be corrected by upgrading your system to thefollowing package versions:Ubuntu 6.06 LTS: avahi-daemon 0.6.10-0ubuntu3.5Ubuntu 7.10: avahi-daemon 0.6.20-2ubuntu3.4Ubuntu 8.04 LTS: avahi-daemon 0.6.22-2ubuntu4.1Ubuntu 8.10: avahi-daemon 0.6.23-2ubuntu2.1In general, a standard system upgrade is sufficient to effect thenecessary changes.Details follow:Emanuele Aina discovered that Avahi did not properly validate its input whenprocessing data over D-Bus. A local attacker could send an empty TXT messagevia D-Bus and cause a denial of service (failed assertion). This issue onlyaffected Ubuntu 6.06 LTS. (CVE-2007-3372)Hugo Dias discovered that Avahi did not properly verify its input whenprocessing mDNS packets. A remote attacker could send a crafted mDNS packetand cause a denial of service (assertion failure). (CVE-2008-5081)





More... (http://www.ubuntu.com/usn/usn-696-1)