Apache Kafka up to 2.3.0 Connect Cluster information disclosure

Summaryinfo

A vulnerability was found in Apache Kafka up to 2.3.0. It has been rated as problematic. This issue affects some unknown processing of the component Connect Cluster. This manipulation causes information disclosure. This vulnerability appears as CVE-2019-12399. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Apache Kafka up to 2.3.0 and classified as problematic. Affected by this vulnerability is an unknown function of the component Connect Cluster. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

When Connect workers in Apache Kafka 2.0.0, 2.0.1, 2.1.0, 2.1.1, 2.2.0, 2.2.1, or 2.3.0 are configured with one or more config providers, and a connector is created/updated on that Connect cluster to use an externalized secret variable in a substring of a connector configuration property value, then any client can issue a request to the same Connect cluster to obtain the connector's task configuration and the response will contain the plaintext secret rather than the externalized secrets variables.

The weakness was presented 01/14/2020 (Website). It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2019-12399 since 05/28/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/14/2020). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Apache

Name

• Kafka

Version

• 2.0.0
• 2.0.1
• 2.1.0
• 2.1.1
• 2.2.0
• 2.2.1
• 2.3.0

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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