S4E

Token Json File Disclosure Scanner

This scanner detects the use of Token Json File Disclosure in digital assets. It helps identify exposed internal token.json files that can lead to security vulnerabilities.

Short Info


Level

Low

Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

10 seconds

Time Interval

8 days 3 hours

Scan only one

URL

Toolbox

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Token Json files are typically used in cloud, devops, and various digital systems worldwide for storing access tokens and configurations necessary for authentication and authorization processes. Software developers and system administrators widely implement these files to manage secure connections between different applications and services. The vulnerability scanning software for token.json files is utilized to analyze systems for potential exposure of these sensitive JSON files. Identifying exposed token.json files is essential to prevent unauthorized access or data breaches in digital infrastructures. The scanner is deployed in development environments as well as in production systems to ensure security compliance. Its utility spans across both cloud-native and on-premises applications.

The vulnerability detected relates to the accidental exposure of internal token.json files that can contain sensitive information such as access tokens and token types. Such disclosures occur when these configurations are improperly stored or left accessible on public-facing directories. Once exposed, these tokens could be used by attackers to gain unauthorized access to restricted systems or services. The detection template identifies endpoints where these disclosures are present and flags them for remediation. This vulnerability is crucial to address as it compromises both security and privacy of any organization relying on token-based authentication. Awareness and detection are the first steps in mitigating the risks posed by this vulnerability.

Technically, the vulnerability is centered around endpoints that serve the token.json file, often accessible via URLs like "{{BaseURL}}/token.json" or "{{BaseURL}}/search/token.json". This disclosure typically happens due to misconfigurations in web or application servers, where these sensitive files are not properly secured. The scanner uses HTTP GET requests to identify files containing indicators such as "access_token" and "token_type". A successful detection results if the file is accessible with a 200 HTTP status code, indicating a publicly available file that represents a significant security risk. The identification process captures critical metadata confirming the file's presence and content type indicators.

If exploited, this vulnerability allows attackers to harvest valid access tokens from the exposed files, giving them the ability to impersonate legitimate users. This can result in unauthorized data access, manipulation of system configurations, or even pivoting to other sensitive areas within a network. In extreme cases, exploitation can lead to comprehensive system compromises or data breaches, severely impacting organizational operations. The exposure of these files undermines the overall security model, eroding trust between critical digital assets and compromising user data security.

REFERENCES

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