Resource exhaustion in Isc Bind
CVE-2023-50387
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concer…
EPSS: 1.000 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory, Press/Media Coverage)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Patch)
Frequently asked questions
- What is CVE-2023-50387?
- CVE-2023-50387 is a high-severity vulnerability in Isc Bind, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-02-14.
- How severe is CVE-2023-50387?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-50387 known to be exploited?
- 22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.