Input validation error in ISC BIND - CVE-2016-2088
Published: March 10, 2016 / Updated: July 24, 2020
Vulnerability identifier: #VU31831
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-2088
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ISC
Affected software:
ISC BIND
ISC BIND
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to a crash the entire system.
resolver.c in named in ISC BIND 9.10.x before 9.10.3-P4, when DNS cookies are enabled, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed packet with more than one cookie option.
How to mitigate CVE-2016-2088
Install update from vendor's website.
Sources
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181036.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178831.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179904.html
- http://www.securityfocus.com/bid/84290
- http://www.securitytracker.com/id/1035238
- https://kb.isc.org/article/AA-01351
- https://kb.isc.org/article/AA-01380
- https://security.gentoo.org/glsa/201610-07