| Package | Affected versions | Patched versions |
|---|---|---|
| mechanize | ≥ 2.0.0, < 2.7.7 | 2.7.7 |
| mechanize | ≥ 2.0, < 2.7.7 | 2.7.7 |
This security advisory has been created for public disclosure of a Command Injection vulnerability that was responsibly reported by @kyoshidajp (Katsuhiko YOSHIDA).
Mechanize >= v2.0, < v2.7.7 allows for OS commands to be injected using several classes' methods which implicitly use Ruby's Kernel.open method. Exploitation is possible only if untrusted input is used as a local filename and passed to any of these calls:
Mechanize::CookieJar#load: since v2.0 (see 208e3ed)Mechanize::CookieJar#save_as: since v2.0 (see 5b776a4)Mechanize#download: since v2.2 (see dc91667)Mechanize::Download#save and #save! since v2.1 (see 98b2f51, bd62ff0)Mechanize::File#save and #save_as: since v2.1 (see 2bf7519)Mechanize::FileResponse#read_body: since v2.0 (see 01039f5)These vulnerabilities are patched in Mechanize v2.7.7.
No workarounds are available. We recommend upgrading to v2.7.7 or later.
See https://docs.rubocop.org/rubocop/cops_security.html#securityopen for background on why Kernel.open should not be used with untrusted input.
If you have any questions or comments about this advisory, please open an issue in sparklemotion/mechanize.
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