CVE-2021-3911

Misconfigured IP address field in ROA leads to OctoRPKI crash

Description

If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash.

Remediation

Solution:

  • Upgrade to 1.4

Categories

4.2
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.56%
Vendor Advisory debian.org
Affected: Cloudflare octorpki
Published at:
Updated at:

References

Link Tags
https://github.com/cloudflare/cfrpki/security/advisories/GHSA-w6ww-fmfx-2x22 third party advisory
https://www.debian.org/security/2022/dsa-5041 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3911?
CVE-2021-3911 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3911?
To fix CVE-2021-3911: Upgrade to 1.4
Is CVE-2021-3911 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3911 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3911?
CVE-2021-3911 affects Cloudflare octorpki.
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