ISC BIND denial of service | CVE-2023-50868
NAME
__________
ISC BIND denial of service
Platforms Affected:
ISC BIND 9.4.3b1
ISC BIND 9.4.3b2
ISC BIND 9.4.3b3
ISC BIND 9.5.0-P1
ISC BIND 9.5.0-P2
ISC BIND 9.5.0 rc1
ISC BIND 9.5.1 rc1
ISC BIND 9.5.1 rc2
ISC BIND 9.6.0 P1
ISC BIND 9.6.0 Rc1
ISC BIND 9.6.0 Rc2
ISC BIND 9.2.0 rc1
ISC BIND 9.2.0 rc10
ISC BIND 9.2.0 rc2
ISC BIND 9.2.0 rc3
ISC BIND 9.2.1 rc1
ISC BIND 9.2.1 rc2
ISC BIND 9.2.2 P2
ISC BIND 9.2.2 rc1
ISC BIND 9.2.3 rc1
ISC BIND 9.2.3 rc2
ISC BIND 9.2.3 rc3
ISC BIND 9.2.4 rc2
ISC BIND 9.2.4 rc3
ISC BIND 9.3.0 rc1
ISC BIND 9.3.1 Beta2
ISC BIND 9.9.0
ISC BIND 9.9.1
ISC BIND 9.12.0
ISC BIND 9.10.5
ISC BIND 9.11.3
ISC BIND 9.13.0
ISC BIND 9.18.0
ISC BIND 9.16.12
Risk Level:
7.5
Exploitability:
Unproven
Consequences:
Denial of Service
DESCRIPTION
__________
ISC BIND is vulnerable to a denial of service, caused by an error when preparing an NSEC3 closest encloser proof. By flooding the target resolver with queries, a remote attacker could exploit this vulnerability to cause CPU exhaustion on a DNSSEC-validating resolver.
CVSS 3.0 Information
__________
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Access Vector:
Network
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