Vulnerability in Domain Name Relay Daemon Project
CVE-2022-33993
Misinterpretation of special domain name characters in DNRD (aka Domain Name Relay Daemon) 2.20.3 leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (59.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Domain Name Relay Daemon Project — versions 2.20.3
References
- www.usenix.org/conference/usenixsecurity21/presentation/jeitner (Third Party Advisory)
- 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-2022-33993?
- CVE-2022-33993 is a medium-severity vulnerability in Domain Name Relay Daemon Project. CVSS score: 5.3/10. Published 2022-08-15.
- How severe is CVE-2022-33993?
- Medium severity. CVSS v3 base score is 5.3 out of 10.