Vulnerability identifier: #VU31952

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-8704

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ISC BIND
Server applications / DNS servers

Vendor: ISC

Description

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

apl_42.c in ISC BIND 9.x before 9.9.8-P3, 9.9.x, and 9.10.x before 9.10.3-P3 allows remote authenticated users to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed Address Prefix List (APL) record.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ISC BIND: 9.9.8-P3

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External links
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176564.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178045.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175973.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175977.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00023.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.html
http://marc.info/?l=bugtraq&m=145680832702035&w=2
http://rhn.redhat.com/errata/RHSA-2016-0073.html
http://rhn.redhat.com/errata/RHSA-2016-0074.html
http://www.debian.org/security/2016/dsa-3449
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/81329
http://www.securitytracker.com/id/1034739
http://www.ubuntu.com/usn/USN-2874-1
http://kb.isc.org/article/AA-01335
http://kb.isc.org/article/AA-01380
http://kb.isc.org/article/AA-01438
http://security.gentoo.org/glsa/201610-07
http://www.freebsd.org/security/advisories/FreeBSD-SA-16:08.bind.asc

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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