Resource exhaustion in Cloudflare Octorpki
CVE-2021-3912
OctoRPKI tries to load the entire contents of a repository in memory, and in the case of a GZIP bomb, unzip it in memory, making it possible to create a repository that makes OctoRPKI run out of memory (and thus crash).
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (56.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000
Affected products
- Cloudflare Octorpki — versions unspecified
- Debian Linux — versions 11.0
Weakness classification (CWE)
References
- github.com/cloudflare/cfrpki/security/advisories/GHSA-g9wh-3vrx-r7hg (Third Party Advisory)
- www.debian.org/security/2022/dsa-5041 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3912?
- CVE-2021-3912 is a medium-severity vulnerability in Cloudflare Octorpki, classified under Uncontrolled Resource Consumption. CVSS score: 4.2/10. Published 2021-11-11.
- How severe is CVE-2021-3912?
- Medium severity. CVSS v3 base score is 4.2 out of 10.