claude-code - 💡(How to fix) Fix [BUG] `awk -f script.awk` that can execute arbitrary code may skip the classifier's audit in auto-mode [1 comments, 2 participants]

Error Messages/Logs

TL;DR

The issue can be addressed by modifying the security classifier to force awk commands to undergo audit, similar to bash and python, when in auto-mode.

Guidance

• Review the current implementation of the security classifier to understand how it handles awk commands and identify why they are not being audited.
• Update the classifier's logic to include awk in the list of commands that require auditing, especially when they are used with the -f option to execute scripts.
• Test the updated classifier with the provided script.awk example to ensure it correctly forces the audit.
• Consider adding awk to the default list of commands that are subject to auditing in auto-mode, to prevent similar bypasses.

Example

No code snippet is provided as the issue does not specify the programming language or framework used for the security classifier.

Notes

The solution assumes that the security classifier's logic can be modified to include awk commands. If the classifier is a third-party component, it may be necessary to consult its documentation or contact its developers for guidance.

Recommendation

Apply workaround: Modify the security classifier to force awk commands to undergo audit, as this directly addresses the identified issue and prevents potential security bypasses.