VulnerabilityModified
CVE-2021-3908
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.
HIGH 7.5EPSS 0.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- 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
- 0.73% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400, CWE-835
- Affected
- cloudflare/octorpki · debian/debian linux
- Source
- cna@cloudflare.com
References
- https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmqThird Party Advisory
- https://www.debian.org/security/2022/dsa-5041Third Party Advisory
- https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmqThird Party Advisory
- https://www.debian.org/security/2022/dsa-5041Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.