CVE-2020-5423: Cloud Controller is vulnerable to denial of service via YAML parsing
Published Dec 2, 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.
Affected Software
2 affected components
Cloudfoundry Capi-release<1.101.0
Cloudfoundry Cf-deployment<15.0.0
Event History
Dec 2, 2020
CVE Published
via MITRE·01:55 AM
Data Sourced
via MITRE·01:55 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2020-5423.
2
What is the severity of CVE-2020-5423?
The severity of CVE-2020-5423 is high.
3
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.
4
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.
5
How can I fix CVE-2020-5423?
To fix CVE-2020-5423, upgrade CAPI (Cloud Controller) to version 1.101.0 or later.