CVE-2024-1975

HIGH EPSS 79.5%
Published Jul 23, 20241y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Jul 23, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
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

Threat Intelligence

EPSS Exploit Probability
79.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-770

References 4

  • openwall.com http://www.openwall.com/lists/oss-security/2024/07/23/1
  • openwall.com http://www.openwall.com/lists/oss-security/2024/07/31/2
  • kb.isc.org https://kb.isc.org/docs/cve-2024-1975
  • security.netapp.com https://security.netapp.com/advisory/ntap-20240731-0002/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.