Denial of service in Oracle products - CVE-2016-8864

 

Denial of service in Oracle products - CVE-2016-8864

Published: November 1, 2016 / Updated: January 11, 2017


Vulnerability identifier: #VU1132
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2016-8864
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ISC
Oracle
Affected software:
ISC BIND
Oracle Solaris
Oracle Linux
Oracle VM Server for x86

Detailed vulnerability description

The vulnerability allows a remote unauthenticated user to cause DoS conditions on the target system.
The weakness is due to imptoper input validation. By returning a recursive response containing a specially crafted DNAME answer, a remote attacker can trigger a flaw in 'db.c' or 'resolver.c' and cause the target resolver to crash.
Successful exploitation of the vulnerability results in denial of service on the vulnerable system.

How to mitigate CVE-2016-8864

Update to version 9.9.9-P4, 9.10.4-P4, 9.11.0-P1.

Sources