CVE-2024-1975

July 23, 2024, 4:15 p.m.

Tags

2024-07-23
security-officer@isc.org
CVE-2024-1975

CVSS Score

7.5 / 10

Product(s) Impacted

BIND

  • 9.0.0 - 9.11.37
  • 9.16.0 - 9.16.50
  • 9.18.0 - 9.18.27
  • 9.19.0 - 9.19.24
  • 9.9.3-S1 - 9.11.37-S1
  • 9.16.8-S1 - 9.16.49-S1
  • 9.18.11-S1 - 9.18.27-S1

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.

Weaknesses

Date

Published: July 23, 2024, 3:15 p.m.

Last Modified: July 23, 2024, 4:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security-officer@isc.org

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Base Score
7.5
Exploitability Score
3.9
Impact Score
3.6
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

http://www.openwall.com/lists/oss-security/2024/07/23/1
security-officer@isc.org
https://kb.isc.org/docs/cve-2024-1975
security-officer@isc.org