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🔒 [security] Replace insecure exec with execFile in git and discovery utils - #16

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security-fix-insecure-exec-git-8107190670202250280
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🔒 [security] Replace insecure exec with execFile in git and discovery utils#16
alexj11324 wants to merge 1 commit into
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security-fix-insecure-exec-git-8107190670202250280

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@alexj11324

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🎯 What: The vulnerability fixed is the use of child_process.exec for executing shell commands, which is susceptible to command injection if arguments are not properly sanitized. This was replaced with child_process.execFile.

⚠️ Risk: If left unfixed, an attacker who can influence the workspace root path or other inputs to these functions could potentially execute arbitrary commands on the user's system with the same privileges as the VS Code process.

🛡️ Solution: By using execFile and passing arguments as an array, the OS treats the arguments as data rather than shell tokens, effectively neutralizing command injection attacks. All instances of execAsync in out/utils/git.js and out/antigravityClient/discovery.js were replaced.


PR created automatically by Jules for task 8107190670202250280 started by @alexj11324

… utils

This commit addresses a potential command injection vulnerability by replacing `child_process.exec` (via `execAsync`) with `child_process.execFile` (via `execFileAsync`) when executing shell commands.

Specifically:
- In `out/utils/git.js`, `isGitRepo` and `getCurrentBranch` now use `execFileAsync` with argument arrays.
- In `out/antigravityClient/discovery.js`, the `execCommand` helper now always uses `execFileAsync`.
- All `execAsync` definitions have been removed from these files to prevent future insecure usage.

Verification:
- Created custom Node.js test scripts using `child_process` mocks to ensure commands are executed with the correct arguments and that `execFile` is used instead of `exec`.
- Verified that the logic still works as expected across simulated platforms.
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