Kubernetes up to 1.1-1.14/1.15.9/1.16.6/1.17.2 kube-apiserver denial of service
| CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system. | Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack. | CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability. |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in Kubernetes up to 1.1-1.14/1.15.9/1.16.6/1.17.2 (Virtualization Software). This vulnerability affects an unknown code of the component kube-apiserver. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. As an impact it is known to affect availability. CVE summarizes:
The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.
The weakness was disclosed 04/01/2020. This vulnerability was named CVE-2019-11254 since 04/17/2019. The attack can be initiated remotely. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.
Upgrading to version 1.15.10, 1.16.7 or 1.17.3 eliminates this vulnerability.
Product
Type
Name
CPE 2.3
CPE 2.2
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-1050
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | unlock | unlock | unlock | unlock |
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| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Threat: 🔍Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Kubernetes 1.15.10/1.16.7/1.17.3
Timeline
04/17/2019 CVE assigned04/01/2020 Advisory disclosed
04/02/2020 VulDB entry created
10/06/2020 VulDB last update
Sources
Status: Not definedConfirmation: 🔒
CVE: CVE-2019-11254 (🔒)
Entry
Created: 04/02/2020 12:56 PMUpdated: 10/06/2020 06:50 PM
Changes: (1) advisory_confirm_url
Complete: 🔍
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