Octorpki
CVE-2021-3910
MEDIUM
Severity by source
AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionCVE.org
OctoRPKI crashes when encountering a repository that returns an invalid ROA (just an encoded NUL (\0) character).
AnalysisAI
OctoRPKI crashes when encountering a repository that returns an invalid ROA (just an encoded NUL (\0) character). Rated medium severity (CVSS 4.4), this vulnerability is remotely exploitable.
Technical ContextAI
This vulnerability is classified under CWE-20. OctoRPKI crashes when encountering a repository that returns an invalid ROA (just an encoded NUL (\0) character). Affected products include: Cloudflare Octorpki, Debian Debian Linux.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
OctoRPKI does not escape a URI with a filename containing "..", this allows a repository to create a file, (ex. Rated cr
When copying files with rsync, octorpki uses the "-a" flag 0, which forces rsync to copy binaries with the suid bit set
Attackers can create long chains of CAs that would lead to OctoRPKI exceeding its max iterations parameter. Rated high s
OctoRPKI does not limit the length of a connection, allowing for a slowloris DOS attack to take place which makes OctoRP
OctoRPKI does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, the
Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR
OctoRPKI tries to load the entire contents of a repository in memory, and in the case of a GZIP bomb, unzip it in memory
If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash. Rated medium se
Same weakness CWE-20 – Improper Input Validation
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today