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Infinite certificate chain depth results in OctoRPKI running forever

Moderate severity GitHub Reviewed Published Nov 9, 2021 in cloudflare/cfrpki • Updated Oct 2, 2023

Package

gomod github.com/cloudflare/cfrpki (Go)

Affected versions

< 1.4.0

Patched versions

1.4.0

Description

OctoRPKI (github.com/cloudflare/cfrpki/cmd/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.

For more information

If you have any questions or comments about this advisory email us at security@cloudflare.com

References

@dhaynespls dhaynespls published to cloudflare/cfrpki Nov 9, 2021
Reviewed Nov 10, 2021
Published to the GitHub Advisory Database Nov 10, 2021
Published by the National Vulnerability Database Nov 11, 2021
Last updated Oct 2, 2023

Severity

Moderate
5.9
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2021-3908

GHSA ID

GHSA-g5gj-9ggf-9vmq

Source code

Credits

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