CVE-2024-1975 Affecting bind-dnssec-utils package, versions <32:9.16.23-18.el9_4.6


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-ALMALINUX9-BINDDNSSECUTILS-7851595
  • published29 Aug 2024
  • disclosed15 Aug 2024

Introduced: 15 Aug 2024

CVE-2024-1975  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 bind-dnssec-utils to version 32:9.16.23-18.el9_4.6 or higher.
This issue was patched in ALSA-2024:5231.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bind-dnssec-utils package and not the bind-dnssec-utils package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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 Scores

version 3.1