Gentoo Websites Logo
Go to: Gentoo Home Documentation Forums Lists Bugs Planet Store Wiki Get Gentoo!
Bug 374201 (CVE-2011-2464) - <net-dns/bind-{9.7.3_p3,9.8.0_p4}: Two remote unauthenticated denial of service vulnerabilities (CVE-2011-{2464,2465})
Summary: <net-dns/bind-{9.7.3_p3,9.8.0_p4}: Two remote unauthenticated denial of servi...
Alias: CVE-2011-2464
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Security
Whiteboard: A3 [glsa]
Depends on:
Reported: 2011-07-06 05:35 UTC by Tim Sammut (RETIRED)
Modified: 2012-06-02 14:00 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


Note You need to log in before you can comment on or make changes to this bug.
Description Tim Sammut (RETIRED) gentoo-dev 2011-07-06 05:35:13 UTC
ISC has released two advisories for BIND.

ISC BIND 9 Remote packet Denial of Service against Authoritative and Recursive Servers

A specially constructed packet will cause BIND 9 ("named") to exit, affecting DNS service.
CVE: CVE-2011-2464
Document Version: 2.1
Posting date: 05 Jul 2011
Program Impacted: BIND
Versions affected: 9.6.3, 9.6-ESV-R4, 9.6-ESV-R4-P1, 9.6-ESV-R5b1 9.7.0, 9.7.0-P1, 9.7.0-P2, 9.7.1, 9.7.1-P1, 9.7.1-P2, 9.7.2, 9.7.2-P1, 9.7.2-P2, 9.7.2-P3, 9.7.3, 9.7.3-P1, 9.7.3-P2, 9.7.4b1 9.8.0, 9.8.0-P1, 9.8.0-P2, 9.8.0-P3, 9.8.1b1
Severity: High
Exploitable: Remotely

ISC BIND 9 Remote Crash with Certain RPZ Configurations

Summary: Two defects were discovered in ISC's BIND 9 code. These defects only affect BIND 9 servers which have recursion enabled and which use a specific feature of the software known as Response Policy Zones (RPZ) and where the RPZ zone contains a specific rule/action pattern.
CVE: CVE-2011-2465
Document Version: 2.1
Posting date: 05 Jul 2011
Program Impacted: BIND
Versions affected: 9.8.0, 9.8.0-P1, 9.8.0-P2 and 9.8.1b1 Other versions of BIND 9 not listed here are not vulnerable to this problem.
Severity: High
Exploitable: Remotely
Comment 1 Christian Ruppert (idl0r) gentoo-dev 2011-07-06 09:20:51 UTC
net-dns/bind-9.7.3_p3 is in tree already.
Comment 2 Tim Sammut (RETIRED) gentoo-dev 2011-07-06 14:16:02 UTC
Arches, please test and mark stable:
Target keywords : "alpha amd64 arm hppa ia64 ppc ppc64 s390 sh sparc x86"
Comment 3 Agostino Sarubbo gentoo-dev 2011-07-06 14:18:27 UTC
looks ok here on amd64 and on a server with hardened environment, also amd64.
Comment 4 Markos Chandras (RETIRED) gentoo-dev 2011-07-06 18:06:23 UTC
looks ok on my server. amd64 done. Thanks Agostino
Comment 5 Thomas Kahle (RETIRED) gentoo-dev 2011-07-08 13:30:37 UTC
x86 stable. Thanks
Comment 6 Jay Deiman 2011-07-08 15:55:20 UTC
I've been running 9.7.3-p3 x86 for a couple of days without issue.
Comment 7 Kacper Kowalik (Xarthisius) (RETIRED) gentoo-dev 2011-07-09 08:34:26 UTC
ppc/ppc64 stable
Comment 8 Jeroen Roovers (RETIRED) gentoo-dev 2011-07-09 14:44:36 UTC
Stable for HPPA.
Comment 9 Raúl Porcel (RETIRED) gentoo-dev 2011-07-09 16:33:59 UTC
alpha/arm/ia64/s390/sh/sparc stable
Comment 10 Tim Sammut (RETIRED) gentoo-dev 2011-07-09 18:29:40 UTC
Thanks, everyone. GLSA request filed.
Comment 11 GLSAMaker/CVETool Bot gentoo-dev 2011-07-10 00:36:03 UTC
CVE-2011-2465 (
  Unspecified vulnerability in ISC BIND 9 9.8.0, 9.8.0-P1, 9.8.0-P2, and
  9.8.1b1, when recursion is enabled and the Response Policy Zone (RPZ)
  contains DNAME or certain CNAME records, allows remote attackers to cause a
  denial of service (named daemon crash) via an unspecified query.

CVE-2011-2464 (
  Unspecified vulnerability in ISC BIND 9 9.6.x before 9.6-ESV-R4-P3, 9.7.x
  before 9.7.3-P3, and 9.8.x before 9.8.0-P4 allows remote attackers to cause
  a denial of service (named daemon crash) via a crafted UPDATE request.
Comment 12 GLSAMaker/CVETool Bot gentoo-dev 2012-06-02 14:00:02 UTC
This issue was resolved and addressed in
 GLSA 201206-01 at
by GLSA coordinator Stefan Behte (craig).