CF clusters with NGINX in front of them may be vulnerable to DoS
CVE-2020-5416

7.7HIGH

Key Information:

Vendor

Cloud Foundry

Status
Routing
Cf Deployment
Vendor
CVE Published:
21 August 2020

What is CVE-2020-5416?

Cloud Foundry Routing (Gorouter), versions prior to 0.204.0, when used in a deployment with NGINX reverse proxies in front of the Gorouters, is potentially vulnerable to denial-of-service attacks in which an unauthenticated malicious attacker can send specially-crafted HTTP requests that may cause the Gorouters to be dropped from the NGINX backend pool.

Affected Version(s)

CF Deployment All < 13.13.0

Routing All < 0.204.0

References

https://www.cloudfoundry.org/blog/cve-2020-5416
x_refsource_CONFIRM

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

CVSS V3.0

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.