CVE Database
/

CVE-2024-1975

Back to search

CVE-2024-1975

Published: Jul 23, 2024

Modified: Feb 13, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

If a server hosts a zone containing a "KEY" Resource Record, or a resolver DNSSEC-validates a "KEY" Resource Record from a DNSSEC-signed domain in cache, a client can exhaust resolver CPU resources by sending a stream of SIG(0) signed requests. This issue affects BIND 9 versions 9.0.0 through 9.11.37, 9.16.0 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.49-S1, and 9.18.11-S1 through 9.18.27-S1.

VendorProductVersions

ISC

BIND 9

affected
9.0.0 - <= 9.11.37
affected
9.16.0 - <= 9.16.50
affected
9.18.0 - <= 9.18.27
affected
9.19.0 - <= 9.19.24
affected
9.9.3-S1 - <= 9.11.37-S1

+2 more versions

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

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now