Vulnerability in Nicmx Fort-Validator

CVE-2024-45234

An issue was discovered in Fort before 1.6.3. A malicious RPKI repository that descends from a (trusted) Trust Anchor can serve (via rsync or RRDP) an ROA or a Manifest containing a signedAttrs encoded in non-canonical form. This bypasses Fort's BER decoder, reaching a point in the code that panics when faced with data not encoded in DER. Because Fort is an RPKI Relying Party, a panic can lead to Route Origin Validation unavailability, which can lead to compromised routing.

Vulnerability class: Improper Certificate Validation

EPSS: 0.005 (37.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-45234?
CVE-2024-45234 is a high-severity vulnerability in Nicmx Fort-Validator, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2024-08-24.
How severe is CVE-2024-45234?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-45234 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.