Invalid RPKI data could disable Route Origin Validation on RTR clients.
CVE-2021-41531

7.5HIGH

Key Information:

Vendor

Nlnet Labs

Status
Routinator
Vendor
CVE Published:
21 September 2021

What is 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.

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Affected Version(s)

Routinator <= 0.9.0

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-41...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

We would like to thank Job Snijders for reporting the issue.
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