Description
In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- ISC / BIND9Stable Branch 9.16.19 – Stable Branch 9.16.19
- ISC / BIND9Development Branch 9.17.16 – Development Branch 9.17.16
- ISC / BIND9Supported Preview Edition 9.16.19-S1 – Supported Preview Edition 9.16.19-S1
References
- MISChttps://kb.isc.org/v1/docs/cve-2021-25218
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2021/08/18/3
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2021/08/20/2
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPJCLGSR4BTGFLBLGIE5TEQP2SNJKGVL/
- MISChttps://security.netapp.com/advisory/ntap-20210909-0002/