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Ubuntu USN-706-1 (bind9)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to bind9 announced via advisory USN-706-1. It was discovered that Bind did not properly perform certificate verification. When DNSSEC with DSA certificates are in use, a remote attacker could exploit this to bypass certificate validation to spoof DNS entries and poison DNS caches. Among other things, this could lead to misdirected email and web traffic.
Solution
Solution
The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libdns21 1:9.3.2-2ubuntu1.6 Ubuntu 7.10: libdns32 1:9.4.1-P1-3ubuntu2.1 Ubuntu 8.04 LTS: libdns35 1:9.4.2.dfsg.P2-2ubuntu0.1 Ubuntu 8.10: libdns43 1:9.5.0.dfsg.P2-1ubuntu3.1 In general, a standard system upgrade is sufficient to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-706-1