Input validation error in ISC BIND - CVE-2016-9131

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Main Vulnerability Database Vulnerabilities #VU4347

Input validation error in ISC BIND - CVE-2016-9131

Published: January 12, 2017 / Updated: January 12, 2017


Vulnerability identifier: #VU4347
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-9131
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause denial of service conditions.

The vulnerability exists due to assertion failure when processing DNS responses. A remote attacker can send a malformed response to an RTYPE ANY query, trigger assertion failure and cause denial of service.

Successful exploitation of the vulnerability will result in DoS attack against vulnerable application.


Affected software

ISC BIND
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux EUS Compute Node
SUSE Linux
Ubuntu
Fedora
bind (Alpine package)
bind (Debian package)
bind99
bind
Dell EMC Unisphere Central

How to mitigate CVE-2016-9131

The vendor has issued the following versions to address this vulnerability: 9.9.9-P5, 9.10.4-P5, 9.11.0-P2 or 9.9.9-S7.

bind (Alpine package) - update to 9.10.4_p5-r0
Dell EMC Unisphere Central - update to 4.0.7
bind99 - addressed in versions 9.9.9-4.P5.fc24, 9.9.9-4.P5.fc25
bind - addressed in versions 9.10.4-3.P5.fc24, 9.10.4-3.P5.fc25

External References

Related Security Bulletins