RedHat: RHSA-2016-0601:01 Important: bind security update
Summary
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 parsed signature
records for DNAME records. By sending a specially crafted query, a remote
attacker could use this flaw to cause named to crash. (CVE-2016-1286)
* A denial of service flaw was found in the way BIND processed certain
control channel input. A remote attacker able to send a malformed packet to
the control channel could use this flaw to cause named to crash.
(CVE-2016-1285)
Red Hat would like to thank ISC for reporting these issues.
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2016-1285 https://access.redhat.com/security/cve/CVE-2016-1286 https://access.redhat.com/security/updates/classification/#important https://kb.isc.org/docs/aa-01352 https://kb.isc.org/docs/aa-01353
Package List
Red Hat Enterprise Linux Server AUS (v. 6.2):
Source:
bind-9.7.3-8.P3.el6_2.4.src.rpm
x86_64:
bind-9.7.3-8.P3.el6_2.4.x86_64.rpm
bind-chroot-9.7.3-8.P3.el6_2.4.x86_64.rpm
bind-debuginfo-9.7.3-8.P3.el6_2.4.i686.rpm
bind-debuginfo-9.7.3-8.P3.el6_2.4.x86_64.rpm
bind-libs-9.7.3-8.P3.el6_2.4.i686.rpm
bind-libs-9.7.3-8.P3.el6_2.4.x86_64.rpm
bind-utils-9.7.3-8.P3.el6_2.4.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 6.2):
Source:
bind-9.7.3-8.P3.el6_2.4.src.rpm
x86_64:
bind-debuginfo-9.7.3-8.P3.el6_2.4.i686.rpm
bind-debuginfo-9.7.3-8.P3.el6_2.4.x86_64.rpm
bind-devel-9.7.3-8.P3.el6_2.4.i686.rpm
bind-devel-9.7.3-8.P3.el6_2.4.x86_64.rpm
bind-sdb-9.7.3-8.P3.el6_2.4.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/
Topic
An update for bind is now available for Red Hat Enterprise Linux 6.2Advanced Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Server AUS (v. 6.2) - x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 6.2) - x86_64
Bugs Fixed
1315674 - CVE-2016-1285 bind: malformed packet sent to rndc can trigger assertion failure
1315680 - CVE-2016-1286 bind: malformed signature records for DNAME records can trigger assertion failure