Input validation error in ISC BIND

1) Input validation error

EUVDB-ID: #VU32321

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-1285

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to a crash the entire system.

named in ISC BIND 9.x before 9.9.8-P4 and 9.10.x before 9.10.3-P4 does not properly handle DNAME records when parsing fetch reply messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a malformed packet to the rndc (aka control channel) interface, related to alist.c and sexpr.c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ISC BIND: 4.9.2 - 9.9.8-P3

External links

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181036.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181037.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178831.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178880.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179904.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179911.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00046.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00053.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00070.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00075.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00079.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00084.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00013.html
http://marc.info/?l=bugtraq&m=146191105921542&w=2
http://rhn.redhat.com/errata/RHSA-2016-0562.html
http://rhn.redhat.com/errata/RHSA-2016-0601.html
http://www.debian.org/security/2016/dsa-3511
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securitytracker.com/id/1035236
http://www.ubuntu.com/usn/USN-2925-1
http://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05087821
http://kb.isc.org/article/AA-01352
http://kb.isc.org/article/AA-01380
http://kb.isc.org/article/AA-01438
http://security.FreeBSD.org/advisories/FreeBSD-SA-16:13.bind.asc
http://security.gentoo.org/glsa/201610-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.