CVE-2024-1975

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.

References

https://securityaffairs.com/166190/security/bind-updates-high-severity-dos-bugs.html

https://kb.isc.org/docs/cve-2024-1975

http://www.openwall.com/lists/oss-security/2024/07/31/2

http://www.openwall.com/lists/oss-security/2024/07/23/1

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3