Input validation error in ISC BIND

1) Input validation error

EUVDB-ID: #VU32322

Risk: High

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-1286

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 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted signature record for a DNAME record, related to db.c and resolver.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/bulletinapr2016-2952098.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/1035237
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-01353
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.