[manjaro-security] [arch-security] [ASA-201701-15] bind: denial of service

Santiago Torres-Arias santiago at archlinux.org
Thu Jan 12 20:17:12 CET 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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