Description
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
Modes of Introduction:
– Architecture and Design
Likelihood of Exploit: Medium
Related Weaknesses
CWE-538
CWE-200
Consequences
Confidentiality: Read Application Data
Logging sensitive user data often provides attackers with an additional, less-protected path to acquiring the information.
Potential Mitigations
Phase: Architecture and Design, Implementation
Description:
Consider seriously the sensitivity of the information written into log files. Do not write secrets into the log files.
Phase: Distribution
Description:
Remove debug log files before deploying the application into production.
Phase: Operation
Description:
Protect log files against unauthorized read/write.
Phase: Implementation
Description:
Adjust configurations appropriately when software is transitioned from a debug state to production.
CVE References
- CVE-2017-9615
- verbose logging stores admin credentials in a world-readablelog file
