Security restrictions bypass in IBM AIX - CVE-2016-3143
Published: August 24, 2017
Vulnerability identifier: #VU8007
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-3143
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to an error when an attacker can send and receive messages to an authoritative DNS server and has knowledge of a valid TSIG key name. A remote attacker can send a specially crafted request packet, bypass TSIG authentication on AXFR requests and manipulate BIND into accepting an unauthorized dynamic update.
The weakness exists due to an error when an attacker can send and receive messages to an authoritative DNS server and has knowledge of a valid TSIG key name. A remote attacker can send a specially crafted request packet, bypass TSIG authentication on AXFR requests and manipulate BIND into accepting an unauthorized dynamic update.
Affected software
IBM AIX
How to mitigate CVE-2016-3143
The vulnerability is addressed in the following versions: 6.1.9.7, 6.1.9.8, 6.1.9.9, 7.1.3.7, 7.1.3.8, 7.1.3.9.