drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in BIND
Name: |
Denial of Service in BIND |
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ID: |
RHSA-2016:2094-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Fr, 21. Oktober 2016, 07:35 |
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Referenzen: |
https://kb.isc.org/article/AA-01433
https://access.redhat.com/security/cve/CVE-2016-2848 |
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Applikationen: |
BIND |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: bind97 security update Advisory ID: RHSA-2016:2094-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2094.html Issue date: 2016-10-20 CVE Names: CVE-2016-2848 =====================================================================
1. Summary:
An update for bind97 is now available for Red Hat Enterprise Linux 5.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) - 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.
Security Fix(es):
* A denial of service flaw was found in the way BIND handled packets with malformed options. A remote attacker could use this flaw to make named exit unexpectedly with an assertion failure via a specially crafted DNS packet. (CVE-2016-2848)
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing the update, the BIND daemon (named) will be restarted automatically.
5. Bugs fixed (https://bugzilla.redhat.com/):
1385450 - CVE-2016-2848 bind: assertion failure triggered by a packet with malformed options
6. Package List:
Red Hat Enterprise Linux Desktop Workstation (v. 5 client):
Source: bind97-9.7.0-21.P2.el5_11.8.src.rpm
i386: bind97-9.7.0-21.P2.el5_11.8.i386.rpm bind97-chroot-9.7.0-21.P2.el5_11.8.i386.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.i386.rpm bind97-devel-9.7.0-21.P2.el5_11.8.i386.rpm bind97-libs-9.7.0-21.P2.el5_11.8.i386.rpm bind97-utils-9.7.0-21.P2.el5_11.8.i386.rpm
x86_64: bind97-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-chroot-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.i386.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-devel-9.7.0-21.P2.el5_11.8.i386.rpm bind97-devel-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-libs-9.7.0-21.P2.el5_11.8.i386.rpm bind97-libs-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-utils-9.7.0-21.P2.el5_11.8.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source: bind97-9.7.0-21.P2.el5_11.8.src.rpm
i386: bind97-9.7.0-21.P2.el5_11.8.i386.rpm bind97-chroot-9.7.0-21.P2.el5_11.8.i386.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.i386.rpm bind97-devel-9.7.0-21.P2.el5_11.8.i386.rpm bind97-libs-9.7.0-21.P2.el5_11.8.i386.rpm bind97-utils-9.7.0-21.P2.el5_11.8.i386.rpm
ia64: bind97-9.7.0-21.P2.el5_11.8.ia64.rpm bind97-chroot-9.7.0-21.P2.el5_11.8.ia64.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.ia64.rpm bind97-devel-9.7.0-21.P2.el5_11.8.ia64.rpm bind97-libs-9.7.0-21.P2.el5_11.8.ia64.rpm bind97-utils-9.7.0-21.P2.el5_11.8.ia64.rpm
ppc: bind97-9.7.0-21.P2.el5_11.8.ppc.rpm bind97-chroot-9.7.0-21.P2.el5_11.8.ppc.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.ppc.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.ppc64.rpm bind97-devel-9.7.0-21.P2.el5_11.8.ppc.rpm bind97-devel-9.7.0-21.P2.el5_11.8.ppc64.rpm bind97-libs-9.7.0-21.P2.el5_11.8.ppc.rpm bind97-libs-9.7.0-21.P2.el5_11.8.ppc64.rpm bind97-utils-9.7.0-21.P2.el5_11.8.ppc.rpm
s390x: bind97-9.7.0-21.P2.el5_11.8.s390x.rpm bind97-chroot-9.7.0-21.P2.el5_11.8.s390x.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.s390.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.s390x.rpm bind97-devel-9.7.0-21.P2.el5_11.8.s390.rpm bind97-devel-9.7.0-21.P2.el5_11.8.s390x.rpm bind97-libs-9.7.0-21.P2.el5_11.8.s390.rpm bind97-libs-9.7.0-21.P2.el5_11.8.s390x.rpm bind97-utils-9.7.0-21.P2.el5_11.8.s390x.rpm
x86_64: bind97-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-chroot-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.i386.rpm bind97-debuginfo-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-devel-9.7.0-21.P2.el5_11.8.i386.rpm bind97-devel-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-libs-9.7.0-21.P2.el5_11.8.i386.rpm bind97-libs-9.7.0-21.P2.el5_11.8.x86_64.rpm bind97-utils-9.7.0-21.P2.el5_11.8.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-2016-2848 https://access.redhat.com/security/updates/classification/#important https://kb.isc.org/article/AA-01433
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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