VulnerabilityModified
CVE-2023-46317
Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.
HIGH 7.5EPSS 0.64%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.64% probability · 49th percentile
- CISA KEV
- Not listed
- Affected
- nic/knot resolver
- Source
- cve@mitre.org
References
- https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1448Patch, Release Notes
- https://www.knot-resolver.cz/2023-08-22-knot-resolver-5.7.0.htmlRelease Notes
- https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1448Patch, Release Notes
- https://www.knot-resolver.cz/2023-08-22-knot-resolver-5.7.0.htmlRelease Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.