Platform
nodejs
Component
badjs-sourcemap-server
Fixed in
0.1.12
CVE-2017-16036 is a directory traversal vulnerability affecting versions of badjs-sourcemap-server up to 0.1.11. This flaw allows attackers to access files outside the intended directory root, potentially leading to the exposure of sensitive information. Due to the lack of a direct patch, mitigation strategies focus on limiting the tool's usage and implementing robust access controls.
The directory traversal vulnerability in badjs-sourcemap-server poses a significant risk of data exposure. An attacker can craft malicious requests, such as the example provided, to navigate the file system and retrieve arbitrary files. This could include sensitive configuration files, source code, or even system files like /etc/passwd. The blast radius extends to any data stored on the server accessible through the traversal path. While the tool is primarily intended for local development, its deployment in production environments, even for limited purposes, significantly amplifies the potential impact.
CVE-2017-16036 was published on July 24, 2018. There is no indication of active exploitation campaigns targeting this vulnerability. The vulnerability's impact is largely dependent on the deployment context of badjs-sourcemap-server. It is not listed on KEV or EPSS, suggesting a low probability of exploitation in the wild, but the lack of a patch warrants continued vigilance.
Exploit Status
EPSS
0.53% (67% percentile)
CVSS Vector
Given the absence of a direct patch for CVE-2017-16036, mitigation relies on restricting the usage of badjs-sourcemap-server to local development environments. If the sourcemap functionality is required in a production setting, a secure alternative should be implemented. Implement strict access controls to the server hosting the tool, limiting file system access to only necessary directories. Consider using a Web Application Firewall (WAF) to filter potentially malicious requests containing directory traversal attempts. Regularly review and audit file system permissions.
No official patch available. Check for workarounds or monitor for updates.
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CVE-2017-16036 is a HIGH severity vulnerability in badjs-sourcemap-server versions up to 0.1.11 that allows attackers to access files outside the intended directory, potentially exposing sensitive data.
You are affected if you are using badjs-sourcemap-server version 0.1.11 or earlier. The vulnerability exists in versions before 0.1.12.
No patch is available. Mitigation involves restricting usage to local development or implementing strict access controls and WAF rules.
There is no public evidence of active exploitation campaigns targeting CVE-2017-16036, but the lack of a patch means it remains a potential risk.
While a formal advisory from the badjs-sourcemap-server project is limited, information about the vulnerability can be found on the NVD website: https://nvd.nist.gov/vuln/detail/CVE-2017-16036
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