Input validation error in ISC BIND



| Updated: 2020-07-27
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-8704
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ISC BIND
Server applications / DNS servers

Vendor ISC

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU31952

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-8704

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

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



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