Potential fix for code scanning alert no. 8: Server-side request forgery#58
Potential fix for code scanning alert no. 8: Server-side request forgery#58
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Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
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Thanks Copilot Autofix! However, we've implemented a more secure fix in PR #57. Our Approach (Allowlist) vs Regex ValidationCopilot's Suggestion (Regex): /^[A-Za-z0-9_.-]+\/[A-Za-z0-9_.-]+$/✅ Validates format Our Fix (Allowlist): const ALLOWED_REPOS = [
"Fused-Gaming/DevOps",
"Fused-Gaming/vln",
// ... only our repos
]✅ Validates format AND content Why Allowlist is BetterWith regex, an attacker could still use:
With allowlist:
Status
Closing this PR as the issue is already fixed with a stronger solution. |
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Closing in favor of PR #57 which implements a more secure allowlist-based fix (v2.4.1) |
Potential fix for https://github.com/Fused-Gaming/DevOps/security/code-scanning/8
To mitigate SSRF, sanitize and restrict the
repoinput before using it in the outgoing API request. The best way is to validate that the provided value strictly matches an allowed pattern—such as a GitHub "owner/repo" slug, forbidding any/,\, or.outside the single/separator and disallowing path traversal (../) or other malicious injections. Additionally, consider establishing a fixed allow-list of repositories if your use case permits. If dynamic choices are necessary, ensure the validated value cannot be abused for SSRF. Change only the handling of therepoparameter with a validation check; if the value fails, reject the request with an error.repois assigned and used (lines 13–15).repoto ensure it matches the pattern/^[A-Za-z0-9_.-]+\/[A-Za-z0-9_.-]+$/(owner/repo slug).Suggested fixes powered by Copilot Autofix. Review carefully before merging.