Security restrictions bypass in ISC BIND - CVE-2017-3142
Published: June 30, 2017 / Updated: June 30, 2017
Vulnerability identifier: #VU7257
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-3142
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 attacker to bypass security restrictions on the target system.
The weakness exists due to an error in TSIG authentication of AXFR and NOTIFY requests. A remote attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name can send specially crafted request packet, bypass authentication and perform unauthorized zone transfers.
The weakness exists due to an error in TSIG authentication of AXFR and NOTIFY requests. A remote attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name can send specially crafted request packet, bypass authentication and perform unauthorized zone transfers.
How to mitigate CVE-2017-3142
The vulnerability is addressed in the following versions:
9.9.10-P2, 9.10.5-P2, 9.11.1-P2, 9.9.10-S3, 9.10.5-S3.
9.9.10-P2, 9.10.5-P2, 9.11.1-P2, 9.9.10-S3, 9.10.5-S3.