CVE-2021-3908
Infinite certificate chain depth results in OctoRPKI running forever in github.com/cloudflare/cfrpki
5.9
MEDIUM
CVSS 3.1
EPSS 0.29%
Description
OctoRPKI does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, thereby making tree traversal never end.
How to fix CVE-2021-3908
To remediate CVE-2021-3908, upgrade the affected package to a fixed version below.
- Debian/cfrpki—upgrade to 1.4.2-1~deb11u1 or later
- —upgrade to 1.4.0 or later
- —upgrade to 1.4.0 or later
Is CVE-2021-3908 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.4.2-1~deb11u1
- from 0, < 1.4.0
- from 0, < 1.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |