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CVE-2020-8621
Published: Aug 21, 2020
Modified: Sep 16, 2024
PUBLISHED
CVSS v3.1
7.5
HIGH
Description
In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Servers that 'forward only' are not affected.
| Vendor | Product | Versions |
|---|---|---|
ISC | BIND9 | affected 9.14.0 - < * |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
References
https://kb.isc.org/docs/cve-2020-8621
x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-20200827-0003/
x_refsource_CONFIRM
USN-4468-1
vendor-advisory
x_refsource_UBUNTU
GLSA-202008-19
vendor-advisory
x_refsource_GENTOO
https://www.synology.com/security/advisory/Synology_SA_20_19
x_refsource_CONFIRM
openSUSE-SU-2020:1699
vendor-advisory
x_refsource_SUSE
openSUSE-SU-2020:1701
vendor-advisory
x_refsource_SUSE
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