SB2022032404 - Insecure default permissions in log4js-node
Published: March 24, 2022
Security Bulletin ID
SB2022032404
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect default permissions (CVE-ID: CVE-2022-21704)
CWE-ID: CWE-276 - Incorrect Default Permissions
CVSSv4: 4.8 [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]
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.
Remediation
Install update from vendor's website.
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