CVE-2021-3912: medium-severity vulnerability in Cloudflare octorpki
OctoRPKI crashes when processing GZIP bomb returned via malicious repository
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.2epss 0.9%
OctoRPKI tries to load the entire contents of a repository in memory, and in the case of a GZIP bomb, unzip it in memory, making it possible to create a repository that makes OctoRPKI run out of memory (and thus crash).
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Affected products
Cloudflare · octorpkiRelated CVEs — Cloudflare octorpki
In the same product, most dangerous first.
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-2021-3910MEDIUMNUL character in ROA causes OctoRPKI to crashEPSS 1.2%CVE-2021-3911MEDIUMMisconfigured IP address field in ROA leads to OctoRPKI crashEPSS 0.9%CVE-2021-3908MEDIUMInfinite certificate chain depth results in OctoRPKI running foreverEPSS 0.7%