CVE-2021-3910High· 7.5▾ TwilightNUL character in ROA causes OctoRPKI to crash
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.3 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Jul 9.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
1.3%
1.3% → 1.3%
OctoRPKI crashes when encountering a repository that returns an invalid ROA (just an encoded NUL (\0) character).
If you have any questions or comments about this advisory email us at [email protected]
github.com/cloudflare/cfrpki < 1.4.0Upgrade to a patched release:
github.com/cloudflare/cfrpki 1.4.0Connected by shared product, vendor, weakness, or advisory.
CVE-2021-3908Medium· 5.9Infinite certificate chain depth results in OctoRPKI running forever
CVE-2021-3909Medium· 4.4Infinite open connection causes OctoRPKI to hang forever
CVE-2021-3911Medium· 4.2Misconfigured IP address field in ROA leads to OctoRPKI crash
CVE-2022-3616Medium· 5.4OctoRPKI crashes when max iterations is reached
CVE-2021-3912Medium· 4.2OctoRPKI crashes when processing GZIP bomb returned via malicious repository
CVE-2021-3761High· 7.5OctoRPKI lacks contextual out-of-bounds check when validating RPKI ROA maxLength values