Debian Security Advisory 1617-1 - In DSA-1603-1, Debian released an update to the BIND 9 domain name server, which introduced UDP source port randomization to mitigate the threat of DNS cache poisoning attacks (identified by the Common Vulnerabilities and Exposures project as CVE-2008-1447). The fix, while correct, was incompatible with the version of SELinux Reference Policy shipped with Debian Etch, which did not permit a process running in the named_t domain to bind sockets to UDP ports other than the standard 'domain' port (53). The incompatibility affects both the 'targeted' and 'strict' policy packages supplied by this version of refpolicy. This update to the refpolicy packages grants the ability to bind to arbitrary UDP ports to named_t processes. When installed, the updated packages will attempt to update the bind policy module on systems where it had been previously loaded and where the previous version of refpolicy was 0.0.20061018-5 or below.
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