[arch-security] [ASA-201701-15] bind: denial of service
Santiago Torres-Arias
santiago at archlinux.org
Thu Jan 12 19:17:12 UTC 2017
Arch Linux Security Advisory ASA-201701-15
==========================================
Severity: High
Date : 2017-01-12
CVE-ID : CVE-2016-9131 CVE-2016-9147 CVE-2016-9444 CVE-2016-9778
Package : bind
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-132
Summary
=======
The package bind before version 9.11.0.P2-1 is vulnerable to denial of
service.
Resolution
==========
Upgrade to 9.11.0.P2-1.
# pacman -Syu "bind>=9.11.0.P2-1"
The problems have been fixed upstream in version 9.11.0.P2.
Workaround
==========
None
Description
===========
- CVE-2016-9131 (denial of service)
A denial of service flaw was found in the way BIND processed a response
to an ANY query. A remote attacker could use this flaw to make named
exit unexpectedly with an assertion failure via a specially crafted DNS
response.
- CVE-2016-9147 (denial of service)
A denial of service flaw was found in the way BIND handled a query
response containing inconsistent DNSSEC information. A remote attacker
could use this flaw to make named exit unexpectedly with an assertion
failure via a specially crafted DNS response.
- CVE-2016-9444 (denial of service)
A denial of service flaw was found in the way BIND handled an
unusually-formed DS record response. A remote attacker could use this
flaw to make named exit unexpectedly with an assertion failure via a
specially crafted DNS response.
- CVE-2016-9778 (denial of service)
A denial of service flaw was found in the way BIND handled certain
queries using the nxdomain-redirect feature to cover a zone for which
it is also providing authoritative service. A remote attacker could use
this flaw to make named exit unexpectedly with an assertion failure via
a specially crafted DNS response.
Impact
======
A remote attacker can crash the server by performing crafted queries
under certain circumstances.
References
==========
https://kb.isc.org/article/AA-01439/0
https://kb.isc.org/article/AA-01440/0
https://kb.isc.org/article/AA-01441/0
https://kb.isc.org/article/AA-01442/0
https://security.archlinux.org/CVE-2016-9131
https://security.archlinux.org/CVE-2016-9147
https://security.archlinux.org/CVE-2016-9444
https://security.archlinux.org/CVE-2016-9778
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