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BIND: Multiple vulnerabilities


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201206-01 / bind
Release Date June 02, 2012
Latest Revision June 02, 2012: 1
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-dns/bind < 9.7.4_p1 >= 9.7.4_p1 All supported architectures

Related bugreports: #347621, #356223, #368863, #374201, #374623, #390753


Multiple vulnerabilities have been found in BIND, the worst of which allowing to cause remote Denial of Service.

2.  Impact Information


BIND is the Berkeley Internet Name Domain Server.


Multiple vulnerabilities have been discovered in BIND. Please review the CVE identifiers referenced below for details.


The vulnerabilities allow remote attackers to cause a Denial of Service (daemon crash) via a DNS query, to bypass intended access restrictions, to incorrectly cache a ncache entry and a rrsig for the same type and to incorrectly mark zone data as insecure.

3.  Resolution Information


There is no known workaround at this time.


All bind users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-dns/bind-9.7.4_p1"

NOTE: This is a legacy GLSA. Updates for all affected architectures are available since December 22, 2011. It is likely that your system is already no longer affected by this issue.

4.  References


Page updated June 02, 2012

Summary: This is a Gentoo Linux Security Advisory

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