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Rewterz Threat Advisory – CVE-2022-21704 – log4js-node module for Node.js Vulnerability

Severity

Medium

Analysis Summary

CVE-2022-21704 

log4js-node module for Node.js could allow a local authenticated attacker to obtain sensitive information, caused by an issue with the default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable. By gaining access to the log files, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.

Impact

  • Information Disclosure

Affected Vendors

NodeJs

Affected Products

  • log4js-node log4js-node 6.3.0

Remediation

Upgrade to the latest version of log4js-node, available from the log4js-node GIT Repository.

https://github.com/log4js-node/log4js-node/security/advisories/GHSA-82v2-mx6x-wq7q