CVE-2021-3911

Misconfigured IP address field in ROA leads to OctoRPKI crash

View on CVE.org

Published Nov 11, 2021 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Cloudflare

octorpki

affected

Version	Status	Constraints
`unspecified`	affected	< 1.4.0

Configuration 1 [-]

cpe:2.3:a:cloudflare:octorpki:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Upgrade to 1.4

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DSA	DSA-5041-1	cfrpki security update
EUVD	EUVD-2021-2404	If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash.
Github GHSA	GHSA-w6ww-fmfx-2x22	Misconfigured IP address field in ROA leads to OctoRPKI crash

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.907% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/cloudflare/cfrpki/security/advisories/GHSA-w6ww-fmfx-2x22
https://www.debian.org/security/2022/dsa-5041

History

No history.

Subscriptions

Cloudflare Octorpki

Debian Debian Linux

Weaknesses

Sources

CVE record Updated: Sep 16, 2024, 10:31 PM

Status: PUBLISHED
Assigner: cloudflare
Published: Nov 11, 2021, 9:45 PM
Updated: Sep 16, 2024, 10:31 PM
Reserved: Oct 26, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:05 AM

Status: Modified
Published: Nov 11, 2021, 10:15 PM
Modified: Jun 17, 2026, 4:05 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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