Incorrect default permissions in log4js-node - CVE-2022-21704
Published: March 24, 2022
Vulnerability identifier: #VU61582
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-21704
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: log4js-node
Affected software:
log4js-node
log4js-node
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for log files created by the file, fileSync and dateFile appenders. A local user with access to the system can view contents of files and gain access to sensitive information.
How to mitigate CVE-2022-21704
Install updates from vendor's website.
Sources
- 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