drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in BIND
Name: |
Denial of Service in BIND |
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ID: |
RHSA-2015:1471-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 22. Juli 2015, 16:36 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4620 |
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Applikationen: |
BIND |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: bind security update Advisory ID: RHSA-2015:1471-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1471.html Issue date: 2015-07-22 CVE Names: CVE-2015-4620 =====================================================================
1. Summary:
Updated bind packages that fix one security issue are now available for Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
A flaw was found in the way BIND performed DNSSEC validation. An attacker able to make BIND (functioning as a DNS resolver with DNSSEC validation enabled) resolve a name in an attacker-controlled domain could cause named to exit unexpectedly with an assertion failure. (CVE-2015-4620)
Red Hat would like to thank ISC for reporting this issue.
All bind users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the update, the BIND daemon (named) will be restarted automatically.
4. Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1237258 - CVE-2015-4620 bind: abort DoS caused by uninitialized value use in isselfsigned()
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source: bind-9.8.2-0.37.rc1.el6_7.1.src.rpm
i386: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.i686.rpm
x86_64: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: bind-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.i686.rpm
x86_64: bind-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: bind-9.8.2-0.37.rc1.el6_7.1.src.rpm
x86_64: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64: bind-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: bind-9.8.2-0.37.rc1.el6_7.1.src.rpm
i386: bind-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.i686.rpm
ppc64: bind-9.8.2-0.37.rc1.el6_7.1.ppc64.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.ppc64.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.ppc.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.ppc64.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.ppc.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.ppc64.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.ppc64.rpm
s390x: bind-9.8.2-0.37.rc1.el6_7.1.s390x.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.s390x.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.s390.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.s390x.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.s390.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.s390x.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.s390x.rpm
x86_64: bind-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
i386: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.i686.rpm
ppc64: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.ppc.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.ppc64.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.ppc.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.ppc64.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.ppc64.rpm
s390x: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.s390.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.s390x.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.s390.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.s390x.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.s390x.rpm
x86_64: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: bind-9.8.2-0.37.rc1.el6_7.1.src.rpm
i386: bind-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.i686.rpm
x86_64: bind-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-chroot-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-libs-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-utils-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
i386: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.i686.rpm
x86_64: bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-debuginfo-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.i686.rpm bind-devel-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm bind-sdb-9.8.2-0.37.rc1.el6_7.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2015-4620 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2015 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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