Infinite open connection causes OctoRPKI to hang forever
CVE-2021-3909

4.4MEDIUM

Key Information:

Vendor

Cloudflare

Status
Octorpki
Vendor
CVE Published:
1 November 2021

What is 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.

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Affected Version(s)

octorpki < 1.4.0

References

https://github.com/cloudflare/cfrpki/security/advisories/...
x_refsource_MISC
https://www.debian.org/security/2021/dsa-5033
vendor-advisoryx_refsource_DEBIAN
https://www.debian.org/security/2022/dsa-5041
vendor-advisoryx_refsource_DEBIAN

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Koen van Hove
JSON
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