Kubernetes up to 1.12.9/1.13.7/1.14.3 kubelet /debug/pprof information disclosure

Summaryinfo

A vulnerability labeled as critical has been found in Kubernetes up to 1.12.9/1.13.7/1.14.3. Affected by this issue is some unknown functionality of the file /debug/pprof of the component kubelet. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2019-11248. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Kubernetes up to 1.12.9/1.13.7/1.14.3 (Virtualization Software). Affected by this issue is an unknown part of the file /debug/pprof of the component kubelet. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for limited denial of service. Versions prior to 1.15.0, 1.14.4, 1.13.8, and 1.12.10 are affected. The issue is of medium severity, but not exposed by the default configuration.

The weakness was disclosed 08/29/2019 (Website). The advisory is shared for download at groups.google.com. This vulnerability is handled as CVE-2019-11248 since 04/17/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 1.12.10, 1.13.8, 1.14.4 or 1.15.0 eliminates this vulnerability.

The entries VDB-141034, VDB-141033, VDB-141031 and VDB-141030 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Virtualization Software

Name

• Kubernetes

Version

• 1.12.0
• 1.12.1
• 1.12.2
• 1.12.3
• 1.12.4
• 1.12.5
• 1.12.6
• 1.12.7
• 1.12.8
• 1.12.9
• 1.13.0
• 1.13.1
• 1.13.2
• 1.13.3
• 1.13.4
• 1.13.5
• 1.13.6
• 1.13.7
• 1.14.0
• 1.14.1
• 1.14.2
• 1.14.3

License

• open-source

Website

• Product: https://github.com/kubernetes/kubernetes/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion