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Red Hat Security Advisory
Synopsis: Important: bind security update
Advisory ID: RHSA-2021:0672-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0672
Issue date: 2021-03-01
CVE Names: CVE-2020-8625
=====================================================================
1. Summary:
An update for bind is now available for Red Hat Enterprise Linux 6 Extended
Lifecycle Support.
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 Server (v. 6 ELS) - i386, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, 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):
* bind: Buffer overflow in the SPNEGO implementation affecting GSSAPI
security policy negotiation (CVE-2020-8625)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
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/):
1928486 - CVE-2020-8625 bind: Buffer overflow in the SPNEGO implementation affecting GSSAPI security policy negotiation
6. Package List:
Red Hat Enterprise Linux Server (v. 6 ELS):
Source:
bind-9.8.2-0.68.rc1.el6_10.10.src.rpm
i386:
bind-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-chroot-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-libs-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-utils-9.8.2-0.68.rc1.el6_10.10.i686.rpm
s390x:
bind-9.8.2-0.68.rc1.el6_10.10.s390x.rpm
bind-chroot-9.8.2-0.68.rc1.el6_10.10.s390x.rpm
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.s390.rpm
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.s390x.rpm
bind-libs-9.8.2-0.68.rc1.el6_10.10.s390.rpm
bind-libs-9.8.2-0.68.rc1.el6_10.10.s390x.rpm
bind-utils-9.8.2-0.68.rc1.el6_10.10.s390x.rpm
x86_64:
bind-9.8.2-0.68.rc1.el6_10.10.x86_64.rpm
bind-chroot-9.8.2-0.68.rc1.el6_10.10.x86_64.rpm
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.x86_64.rpm
bind-libs-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-libs-9.8.2-0.68.rc1.el6_10.10.x86_64.rpm
bind-utils-9.8.2-0.68.rc1.el6_10.10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386:
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-devel-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-sdb-9.8.2-0.68.rc1.el6_10.10.i686.rpm
s390x:
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.s390.rpm
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.s390x.rpm
bind-devel-9.8.2-0.68.rc1.el6_10.10.s390.rpm
bind-devel-9.8.2-0.68.rc1.el6_10.10.s390x.rpm
bind-sdb-9.8.2-0.68.rc1.el6_10.10.s390x.rpm
x86_64:
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-debuginfo-9.8.2-0.68.rc1.el6_10.10.x86_64.rpm
bind-devel-9.8.2-0.68.rc1.el6_10.10.i686.rpm
bind-devel-9.8.2-0.68.rc1.el6_10.10.x86_64.rpm
bind-sdb-9.8.2-0.68.rc1.el6_10.10.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-2020-8625
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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