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ISC BIND Information Disclosure Vulnerability (CVE-2017-3142) - Linux
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
ISC BIND is prone to an information disclosure vulnerability.
Insight
Insight
An attacker who is able to send and receive messages to an authoritative DNS server, and who has knowledge of a valid TSIG key name, may be able to circumvent TSIG authentication of AXFR requests via a carefully constructed request packet. A server that relies solely on TSIG keys for protection with no other ACL protection could be manipulated into: - providing an AXFR of a zone to an unauthorized recipient, and/or - accepting bogus NOTIFY packets.
Affected Software
Affected Software
BIND 9.4.0 through 9.8.8, 9.9.0 through 9.9.10-P1, 9.10.0 through 9.10.5-P1, 9.11.0 through 9.11.1-P1, 9.9.3-S1 through 9.9.10-S2 and 9.10.5-S1 through 9.10.5-S2.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 9.9.10-P2, 9.10.5-P2, 9.11.1-P2, 9.9.10-S3, 9.10.5-S3 or later.