| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| wrangler | ≥ 2.0.15, < 3.114.17≥ 4.0.0, < 4.59.1 | 3.114.174.59.1 |
| wrangler | ≥ 2.0.15, < 3.114.17≥ 4.0.0, < 4.59.1 | 3.114.174.59.1 |
Summary
A command injection vulnerability (CWE-78) has been found to exist in the wrangler pages deploy command. The issue occurs because the --commit-hash parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of --commit-hash to execute arbitrary commands on the system running Wrangler.
Root cause
The commitHash variable, derived from user input via the --commit-hash CLI argument, is interpolated directly into a shell command using template literals (e.g., execSync(`git show -s --format=%B ${commitHash}`)). Shell metacharacters are interpreted by the shell, enabling command execution.
Impact
This vulnerability is generally hard to exploit, as it requires --commit-hash to be attacker controlled. The vulnerability primarily affects CI/CD environments where wrangler pages deploy is used in automated pipelines and the --commit-hash parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:
Mitigation
Credits
Disclosed responsibly by kny4hacker.
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