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RHSA-2012:1549: bind security update

Severity CVSS Published Added Modified
8 (AV:N/AC:L/Au:N/C:N/I:N/A:C) December 05, 2012 December 06, 2012 July 03, 2017


The Berkeley Internet Name Domain (BIND) is an implementation of the DomainName System (DNS) protocols. BIND includes a DNS server (named); a resolverlibrary (routines for applications to use when interfacing with DNS); andtools for verifying that the DNS server is operating correctly. DNS64 isused to automatically generate DNS records so IPv6 based clients can accessIPv4 systems through a NAT64 server.A flaw was found in the DNS64 implementation in BIND. If a remote attackersent a specially-crafted query to a named server, named could exitunexpectedly with an assertion failure. Note that DNS64 support is notenabled by default. (CVE-2012-5688)Users of bind are advised to upgrade to these updated packages, whichcorrect this issue. After installing the update, the BIND daemon (named)will be restarted automatically.

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