CVE-2021-3911: Misconfigured IP address field in ROA leads to OctoRPKI crash
First published: Thu Nov 11 2021(Updated: )
If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash.
Credit: cna@cloudflare.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/cfrpki | 1.4.2-1~deb11u1 1.4.4-1 1.5.10-2 | |
| Cloudflare Octorpki | <1.3.0 | |
| Debian Debian Linux | =11.0 |
Remedy
Upgrade to 1.4
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-3911?
The severity of CVE-2021-3911 is medium with a CVSSv3 score of 6.5.
How does CVE-2021-3911 impact OctoRPKI?
CVE-2021-3911 can cause OctoRPKI to crash if the ROA returned by a repository contains too many bits for the IP address.
Which software versions are affected by CVE-2021-3911?
The affected software versions are cfrpki 1.4.2-1~deb11u1, 1.4.4-1, 1.5.10-2 for Debian and Octorpki up to version 1.3.0 for Cloudflare.
How can I fix CVE-2021-3911 in Debian?
To fix CVE-2021-3911 in Debian, update the cfrpki package to version 1.4.2-1~deb11u1, 1.4.4-1, or 1.5.10-2.
Where can I find more information about CVE-2021-3911?
More information about CVE-2021-3911 can be found on the GitHub security advisory and Debian security tracker pages.
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
- agent/author
- agent/references
- agent/remedy
- agent/last-modified-date
- agent/title
- agent/description
- agent/tags
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- package-manager/debian
- vendor/cloudflare
- canonical/cloudflare octorpki
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/11.0