Vulnerability CVE-2022-21704
Published: 2022-01-19   Modified: 2022-01-20

Description:
log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders 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. Users are advised to update.

Type:

CWE-276

 (Incorrect Default Permissions)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Log4js project -> Log4js 

 References:
https://github.com/log4js-node/log4js-node/blob/v6.4.0/CHANGELOG.md#640
https://github.com/log4js-node/log4js-node/pull/1141/commits/8042252861a1b65adb66931fdf702ead34fa9b76
https://github.com/log4js-node/streamroller/pull/87
https://github.com/log4js-node/log4js-node/security/advisories/GHSA-82v2-mx6x-wq7q
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