<p>Upgrade <code>log4js</code> to version 6.4.0 or higher.</p>

Information Exposure Affecting log4js package, versions <6.4.0

Snyk CVSS

Attack Complexity Low

Confidentiality High

Threat Intelligence

EPSS 0.05% (17^th percentile)

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Snyk ID SNYK-JS-LOG4JS-2348757
published 20 Jan 2022
disclosed 20 Jan 2022
credit Lam Wei Li, ranjit-git

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Introduced: 20 Jan 2022

CVE-2022-21704 Open this link in a new tab CWE-276 Open this link in a new tab

How 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.