CVE-2021-3910: NUL character in ROA causes OctoRPKI to crash

Published Nov 11, 2021
·
Updated

OctoRPKI crashes when encountering a repository that returns an invalid ROA (just an encoded NUL (\0) character).

Affected Software

4 affected componentsFixes available
debian/cfrpki
1.4.2-1~deb11u11.4.4-11.5.10-2
Cloudflare OctoRPKI<1.3.0
Debian Debian Linux=11.0
Cloudflare OctoRPKI<1.4.0

Remediation

Information

Upgrade to 1.4

Event History

Nov 11, 2021
CVE Published
via MITRE·09:45 PM
Data Sourced
via MITRE·09:45 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2021-3910?

CVE-2021-3910 is a vulnerability that affects OctoRPKI and Debian Linux, allowing a specially crafted repository to cause a crash by returning an invalid ROA.

2

What is the severity of CVE-2021-3910?

CVE-2021-3910 has a severity of 7.5 (high).

3

Which software is affected by CVE-2021-3910?

OctoRPKI versions 1.3.0 and earlier, as well as Debian Linux 11.0, are affected by CVE-2021-3910.

4

How can I fix CVE-2021-3910?

To fix CVE-2021-3910, update OctoRPKI to version 1.4.2-1~deb11u1, 1.4.4-1, or 1.5.10-2, or update Debian Linux to the latest version.

5

Where can I find more information about CVE-2021-3910?

For more information about CVE-2021-3910, you can refer to the following sources: [GitHub Advisory](https://github.com/cloudflare/cfrpki/security/advisories/GHSA-5mxh-2qfv-4g7j), [Debian Security Tracker](https://security-tracker.debian.org/tracker/CVE-2021-3910), [Debian Security Advisory](https://www.debian.org/security/2022/dsa-5041)

Contact

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