CVE-2021-3909 Information

Description

OctoRPKI does not limit the length of a connection allowing for a slowloris DOS attack to take place which makes OctoRPKI wait forever. Specifically the repository that OctoRPKI sends HTTP requests to will keep the connection open for a day before a response is returned but does keep drip feeding new bytes to keep the connection alive.

CVSS Vector

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

Reference

https://github.com/cloudflare/cfrpki/security/advisories/GHSA-8cvr-4rrf-f244 https://www.debian.org/security/2021/dsa-5033 https://www.debian.org/security/2022/dsa-5041

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5