CVE-2024-1975

SIG(0) can be used to exhaust CPU resources

HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 2.11 % · percentile 82 ()
State
PUBLISHED
Published
Updated
Assigner
isc
NVD status
Deferred

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 (CWE)

  • CWE-770 — Allocation of Resources Without Limits or Throttling

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hisc
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · security-officer@isc.org (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
ISC · BIND 9affected 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 ; affected 9.16.8-S1 ≤ 9.16.49-S1

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD