Vulnerability in Domain Name Relay Daemon Project
CVE-2022-33992
DNRD (aka Domain Name Relay Daemon) 2.20.3 forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.
Published · last modified .
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:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Domain Name Relay Daemon Project — versions 2.20.3
References
- www.usenix.org/conference/usenixsecurity22/presentation/jeitner (Third Party Advisory)
- dnrd.sourceforge.net/ (Product, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/08/14/1 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-33992?
- CVE-2022-33992 is a high-severity vulnerability in Domain Name Relay Daemon Project. CVSS score: 7.5/10. Published 2022-08-15.
- How severe is CVE-2022-33992?
- High severity. CVSS v3 base score is 7.5 out of 10.