CVE-2021-41531

NLnet Labs Routinator prior to 0.10.0 produces invalid RTR payload if an RPKI CA uses too large values in the max-length parameter in a ROA. This will lead to RTR clients such as routers to reject the RPKI data set, effectively disabling Route Origin Validation.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-41531.txt	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-09-21 14:15

Updated : 2021-10-05 15:43

NVD link : CVE-2021-41531

Mitre link : CVE-2021-41531

CVE.ORG link : CVE-2021-41531

JSON object : View

Products Affected

nlnetlabs

routinator

CWE

CWE-20

Improper Input Validation

CWE-1288

Improper Validation of Consistency within Input

{"id": "CVE-2021-41531", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-09-21T14:15:07.663", "references": [{"url": "https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-41531.txt", "tags": ["Vendor Advisory"], "source": "sep@nlnetlabs.nl"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Secondary", "source": "sep@nlnetlabs.nl", "description": [{"lang": "en", "value": "CWE-1288"}]}], "descriptions": [{"lang": "en", "value": "NLnet Labs Routinator prior to 0.10.0 produces invalid RTR payload if an RPKI CA uses too large values in the max-length parameter in a ROA. This will lead to RTR clients such as routers to reject the RPKI data set, effectively disabling Route Origin Validation."}, {"lang": "es", "value": "NLnet Labs Routinator versiones anteriores a 0.10.0, produce una carga \u00fatil RTR no v\u00e1lida si una CA RPKI usa valores demasiado grandes en el par\u00e1metro de longitud m\u00e1xima en un ROA. Esto conlleva a que los clientes RTR, como los enrutadores, rechacen el conjunto de datos RPKI, deshabilitando efectivamente la Comprobaci\u00f3n del Origen de Ruta"}], "lastModified": "2021-10-05T15:43:16.447", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB8BED71-E3B6-4F42-8A5E-07DCFE189686", "versionEndExcluding": "0.10.0"}], "operator": "OR"}]}], "sourceIdentifier": "sep@nlnetlabs.nl"}