Gorouter is vulnerable to DoS attack via invalid HTTP responses
CVE-2020-5420

7.7HIGH

Key Information:

Vendor

Cloud Foundry

Status
Routing
Cf Deployment
Vendor
CVE Published:
3 September 2020

What is CVE-2020-5420?

Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with "cf push" access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters.

Affected Version(s)

CF Deployment All < 13.15.0

Routing All < 0.206.0

References

https://www.cloudfoundry.org/blog/cve-2020-5420
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

.