VulnerabilityModified
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.
HIGH 7.5EPSS 1.00%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.00% probability · 61th percentile
- CISA KEV
- Not listed
- Affected
- domain name relay daemon project/domain name relay daemon
- Source
- cve@mitre.org
References
- http://dnrd.sourceforge.net/Product, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/14/1Mailing List, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitnerThird Party Advisory
- http://dnrd.sourceforge.net/Product, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/14/1Mailing List, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitnerThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.