#VU703 Denial of Service in Oracle products - CVE-2016-2776
Published: September 28, 2016 / Updated: January 11, 2017
Vulnerability identifier: #VU703
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2016-2776
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
ISC BIND
Oracle Solaris
Oracle Linux
Oracle VM Server for x86
ISC BIND
Oracle Solaris
Oracle Linux
Oracle VM Server for x86
Software vendor:
ISC
Oracle
ISC
Oracle
Description
The vulnerability allow a remote unauthenticated user to cause denial of service (DoS) on the target system.
The weakness exists due to improper construction of queries responses, which meet certain criteria. By sending specially crafted query to the target service the attacker can trigger an assertion failure in buffer.c that leads to crash and denial of the service.
Successful exploitation of the vulnerability results in DoS condeitions on the vulnerable system.
The weakness exists due to improper construction of queries responses, which meet certain criteria. By sending specially crafted query to the target service the attacker can trigger an assertion failure in buffer.c that leads to crash and denial of the service.
Successful exploitation of the vulnerability results in DoS condeitions on the vulnerable system.
Remediation
Apply the following patches:
- BIND 9 version 9.9.9-P3
- BIND 9 version 9.10.4-P3
- BIND 9 version 9.11.0rc3