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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2024-1975

SIG(0) can be used to exhaust CPU resources

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Status
Published
Published
Updated
Assigning organization
isc

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

ISC BIND 9

Default version status: unaffected

  • 9.0.0 to ≤ 9.11.37affected
  • 9.16.0 to ≤ 9.16.50affected
  • 9.18.0 to ≤ 9.18.27affected
  • 9.19.0 to ≤ 9.19.24affected
  • 9.9.3-S1 to ≤ 9.11.37-S1affected
  • 9.16.8-S1 to ≤ 9.16.49-S1affected
  • 9.18.11-S1 to ≤ 9.18.27-S1affected

References