Vulnerability Details CVE-2021-3909
OctoRPKI does not limit the length of a connection, allowing for a slowloris DOS attack to take place which makes OctoRPKI wait forever. Specifically, the repository that OctoRPKI sends HTTP requests to will keep the connection open for a day before a response is returned, but does keep drip feeding new bytes to keep the connection alive.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 71.9%
CVSS Severity
CVSS v3 Score 4.4
CVSS v2 Score 5.0
References
- https://github.com/cloudflare/cfrpki/security/advisories/GHSA-8cvr-4rrf-f244
- https://www.debian.org/security/2021/dsa-5033
- https://www.debian.org/security/2022/dsa-5041
- https://github.com/cloudflare/cfrpki/security/advisories/GHSA-8cvr-4rrf-f244
- https://www.debian.org/security/2021/dsa-5033
- https://www.debian.org/security/2022/dsa-5041
Products affected by CVE-2021-3909
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cpe:2.3:a:cloudflare:octorpki:-
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cpe:2.3:a:cloudflare:octorpki:1.0.0
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cpe:2.3:a:cloudflare:octorpki:1.0.1
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cpe:2.3:a:cloudflare:octorpki:1.0.2
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cpe:2.3:a:cloudflare:octorpki:1.0.3
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cpe:2.3:a:cloudflare:octorpki:1.1.0
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cpe:2.3:a:cloudflare:octorpki:1.1.1
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cpe:2.3:a:cloudflare:octorpki:1.1.2
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cpe:2.3:a:cloudflare:octorpki:1.1.3
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cpe:2.3:a:cloudflare:octorpki:1.1.4
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cpe:2.3:a:cloudflare:octorpki:1.2.0
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cpe:2.3:a:cloudflare:octorpki:1.2.1
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cpe:2.3:a:cloudflare:octorpki:1.2.2
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cpe:2.3:o:debian:debian_linux:11.0