CVE-2021-3910mediumCWE-20

CVE-2021-3910: medium-severity vulnerability in Cloudflare octorpki

NUL character in ROA causes OctoRPKI to crash

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.4epss 1.2%
OctoRPKI crashes when encountering a repository that returns an invalid ROA (just an encoded NUL (\0) character).
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected products
Cloudflare · octorpki
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CVE-2021-3907HIGHArbitrary filepath traversal via URI injectionEPSS 4.2%CVE-2021-3909MEDIUMInfinite open connection causes OctoRPKI to hang foreverEPSS 1.6%CVE-2021-3761HIGHOctoRPKI lacks contextual out-of-bounds check when validating RPKI ROA maxLength valuesEPSS 1.2%CVE-2021-3911MEDIUMMisconfigured IP address field in ROA leads to OctoRPKI crashEPSS 0.9%CVE-2021-3912MEDIUMOctoRPKI crashes when processing GZIP bomb returned via malicious repositoryEPSS 0.9%CVE-2021-3908MEDIUMInfinite certificate chain depth results in OctoRPKI running foreverEPSS 0.7%