S4E

OpenTSDB Exposure Scanner

This scanner detects the use of OpenTSDB Exposure in digital assets. It is valuable for identifying exposure points in monitoring and observability solutions where system performance data is revealed.

Short Info


Level

Low

Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

10 seconds

Time Interval

10 days 17 hours

Scan only one

URL

Toolbox

-

OpenTSDB is a scalable, distributed time series database designed to store, analyze, and extract massive amounts of data quickly and effectively. It is commonly used by organizations for monitoring and observability purposes, especially in large-scale distributed environments. These uses often involve tracking and analyzing the performance of systems, applications, and infrastructure over time. It facilitates the collection and storage of metrics data, providing a platform for in-depth analysis and visualization. Businesses deploy OpenTSDB to ensure their systems are running optimally and to forecast trends over historical data. The extensive usability in various monitoring solutions has made it an integral part of many IT infrastructures.

The vulnerability detected involves the exposure of sensitive stats data used in monitoring systems with OpenTSDB. It occurs when internal stats endpoints are unintentionally left accessible without adequate access controls. This lack of restriction can lead to sensitive performance data being exposed to unauthorized users. The vulnerability is commonly associated with system misconfigurations, where the stats endpoint is not adequately secured. For organizations using OpenTSDB, such exposure can provide potential attackers with insights into the system's performance metrics. This vulnerability requires careful attention to ensure systems are not providing unnecessary access to monitoring statistics.

Technical details of the vulnerability include the exposed endpoint '/stats?json', which can be accessed via HTTP GET requests. Vulnerable parameters involve specific monitoring stats such as "tsd.connectionmgr.connections", "tsd.http", and host data, which when exposed can present a wealth of information about the system's operational status. Ensuring the 'application/json' header in responses indicates the server is returning structured data that can easily be processed and potentially exploited. This vulnerability can occur when endpoints intended for internal use are exposed to broader networks without sufficient access restrictions. Proper endpoint configurations and monitoring of access permissions are crucial in mitigating these risks.

When this vulnerability is exploited, unauthorized parties can gain insights into the operational status and performance metrics of the affected systems. This exposure may lead to various security risks, including aiding in executing targeted attacks or system performance assessments. Attackers may leverage such metrics information to deduce vulnerable aspects of the system's infrastructure. Additionally, exposure of detailed operational data could inadvertently reveal sensitive business logic or internal network structures to unauthorized individuals. Implementing robust security configurations is essential to reduce these potential impacts.

REFERENCES

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