CVE-2020-16164
It allows remote attackers to bypass intended access restrictions or to cause a denial of service on dependent routing systems by strategically withholding RPKI Route Origin Authorisation ".roa" files or X509 Certificate Revocation List files from the…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in RIPE NCC RPKI Validator 3.x through 3.1-2020.07.06.14.28. It allows remote attackers to bypass intended access restrictions or to cause a denial of service on dependent routing systems by strategically withholding RPKI Route Origin Authorisation ".roa" files or X509 Certificate Revocation List files from the RPKI relying party's view. NOTE: some third parties may regard this as a preferred behavior, not a vulnerability
- CVSS 3.1
- 7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 0.91% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- ripe/rpki validator 3
- Source
- cve@mitre.org
References
- https://github.com/RIPE-NCC/rpki-validator-3/issues/158Issue Tracking, Third Party Advisory
- https://github.com/RIPE-NCC/rpki-validator-3/issues/232Issue Tracking, Third Party Advisory
- https://github.com/RIPE-NCC/rpki-validator-3/security/advisories/GHSA-q76j-58cx-wp5vThird Party Advisory
- https://github.com/RIPE-NCC/rpki-validator-3/issues/158Issue Tracking, Third Party Advisory
- https://github.com/RIPE-NCC/rpki-validator-3/issues/232Issue Tracking, Third Party Advisory
- https://github.com/RIPE-NCC/rpki-validator-3/security/advisories/GHSA-q76j-58cx-wp5vThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.