Vulnerability DatabaseCVE-2022-3736
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CVE-2022-3736
January 25, 2023
BIND 9 resolver can crash when stale cache and stale answers are enabled, option "stale-answer-client-timeout" is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.
Affected Packages
https://github.com/isc-projects/bind9.git (GITHUB):
Affected version(s) >=v9.16.12 <v9.16.37
Fix Suggestion:
Update to version v9.16.37
https://github.com/isc-projects/bind9.git (GITHUB):
Affected version(s) >=v9.19.0 <v9.19.9
Fix Suggestion:
Update to version v9.19.9
https://github.com/isc-projects/bind9.git (GITHUB):
Affected version(s) >=v9.18.0 <v9.18.11
Fix Suggestion:
Update to version v9.18.11
Related Resources (3)
https://kb.isc.org/docs/cve-2022-3736
https://access.redhat.com/security/cve/CVE-2022-3736
https://security-tracker.debian.org/tracker/CVE-2022-3736
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Input Validation
CWE-20
EPSS
Base Score:
1.02