CVE-2023-46317 — HIGH (7.5)

Q: What is CVE-2023-46317?

CVE-2023-46317 is a vulnerability with a CVSS score of 7.5 (HIGH). Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.

Q: How severe is CVE-2023-46317?

CVE-2023-46317 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-46317?

Check the references section above for vendor advisories and patch information. Affected products include: Nic Knot Resolver.

Vulnerability Description

Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nic	Knot Resolver	< 5.7.0

References

https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1448PatchRelease 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/1448PatchRelease Notes
https://www.knot-resolver.cz/2023-08-22-knot-resolver-5.7.0.htmlRelease Notes

FAQ

What is CVE-2023-46317?

CVE-2023-46317 is a vulnerability with a CVSS score of 7.5 (HIGH). Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.

How severe is CVE-2023-46317?

CVE-2023-46317 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-46317?

Check the references section above for vendor advisories and patch information. Affected products include: Nic Knot Resolver.