An error in TSIG authentication can permit unauthorized dynamic updates
Vulnerability Description
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 for the zone and service being targeted may be able to manipulate BIND into accepting an unauthorized dynamic update. Affects BIND 9.4.0->9.8.8, 9.9.0->9.9.10-P1, 9.10.0->9.10.5-P1, 9.11.0->9.11.1-P1, 9.9.3-S1->9.9.10-S2, 9.10.5-S1->9.10.5-S2.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- ISC would like to thank Clément Berthaux from Synacktiv for reporting this issue.
References
- https://kb.isc.org/docs/aa-01503
- https://access.redhat.com/errata/RHSA-2017:1680
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03772en_us
- https://access.redhat.com/errata/RHSA-2017:1679
- http://www.securitytracker.com/id/1038809
- https://www.debian.org/security/2017/dsa-3904
- http://www.securityfocus.com/bid/99337
- https://security.netapp.com/advisory/ntap-20190830-0003/
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.