CVE-2020-5423: Cloud Controller is vulnerable to denial of service via YAML parsing
First published: Wed Dec 02 2020(Updated: )
CAPI (Cloud Controller) versions prior to 1.101.0 are vulnerable to a denial-of-service attack in which an unauthenticated malicious attacker can send specially-crafted YAML files to certain endpoints, causing the YAML parser to consume excessive CPU and RAM.
Credit: security@pivotal.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cloudfoundry Capi-release | <1.101.0 | |
| Cloudfoundry Cf-deployment | <15.0.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2020-5423.
What is the severity of CVE-2020-5423?
The severity of CVE-2020-5423 is high.
Which versions of CAPI (Cloud Controller) are affected by CVE-2020-5423?
Versions of CAPI (Cloud Controller) prior to 1.101.0 are affected by CVE-2020-5423.
What is the impact of CVE-2020-5423?
CVE-2020-5423 can be exploited by an unauthenticated attacker to cause a denial-of-service (DoS) attack by sending specially-crafted YAML files to certain endpoints.
How can I fix CVE-2020-5423?
To fix CVE-2020-5423, upgrade CAPI (Cloud Controller) to version 1.101.0 or later.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/severity
- agent/references
- agent/author
- agent/title
- agent/weakness
- agent/tags
- agent/event
- agent/first-publish-date
- agent/description
- vendor/cloudfoundry
- canonical/cloudfoundry capi-release
- canonical/cloudfoundry cf-deployment