Information Exposure Affecting log4js package, versions <6.4.0
Threat Intelligence
EPSS
0.05% (19th
percentile)
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Test your applications- Snyk ID SNYK-JS-LOG4JS-2348757
- published 20 Jan 2022
- disclosed 20 Jan 2022
- credit Lam Wei Li, ranjit-git
Introduced: 20 Jan 2022
CVE-2022-21704 Open this link in a new tabHow to fix?
Upgrade log4js to version 6.4.0 or higher.
Overview
log4js is a Port of Log4js to work with node.
Affected versions of this package are vulnerable to Information Exposure via the default file permissions for log files that are created by the file, fileSync and dateFile appenders which are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config.
References
CVSS Scores
version 3.1