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    2 vulnerabilities found for FORT-validator by NICMx

    CVE-2026-53499 (GCVE-0-2026-53499)

    Vulnerability from cvelistv5 – Published: 2026-08-21 22:29 – Updated: 2026-08-25 19:24
    VLAI
    Title
    FORT-validator Vulnerable to RRDP Shared Snapshot Cache Poisoning
    Summary
    FORT Validator is a Resource Public Key Infrastructure (RPKI) relying-party validator that produces validated route-origin data. FORT Validator versions through 1.6.7 contain an origin-validation error in their RRDP processing: a delegated CA under the same Trust Anchor Locator (TAL) can reference a victim CA’s public RRDP notification and snapshot URLs, causing FORT’s URL-based download cache to report success after deleting the victim’s local snapshot. Following a routine victim publication, this can silently remove the victim’s VRPs and other signed objects from FORT’s output, potentially enabling route hijacking or loss of reachability. Version 1.6.8 contains a patch that rejects cross-origin RRDP snapshot and delta URLs; as a workaround, administrators can disable HTTP/RRDP with  --http.enabled=false  while keeping rsync enabled, although this can leave data unavailable or stale where rsync is not supported.
    Severity
    7.2 (High)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:H/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-25 18:32 UTC
    CWE
    • CWE-346 - Origin Validation Error
    Assigner
    GitHub_M CNA
    References
    Impacted products
    Vendor Product Version
    NICMx FORT-validator Affected: < 1.6.8
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2024-56375 (GCVE-0-2024-56375)

    Vulnerability from cvelistv5 – Published: 2024-12-22 00:00 – Updated: 2025-01-06 17:29
    VLAI
    Summary
    An integer underflow was discovered in Fort 1.6.3 and 1.6.4 before 1.6.5. A malicious RPKI repository that descends from a (trusted) Trust Anchor can serve (via rsync or RRDP) a Manifest RPKI object containing an empty fileList. Fort dereferences (and, shortly afterwards, writes to) this array during a shuffle attempt, before the validation that would normally reject it when empty. This out-of-bounds access is caused by an integer underflow that causes the surrounding loop to iterate infinitely. Because the product is permanently stuck attempting to overshuffle an array that doesn't actually exist, a crash is nearly guaranteed.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-12-24 02:12 UTC
    CWE
    • CWE-191 - Integer Underflow (Wrap or Wraparound)
    Assigner
    mitre CNA
    References
    Impacted products
    Vendor Product Version
    nicmx fort-validator Affected: 1.6.3 , < 1.6.5 (semver)
        cpe:2.3:a:nicmx:fort-validator:*:*:*:*:*:*:*:*
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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