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Pull request overview
This PR addresses GHSA-2f96-g7mh-g2hx by hardening GitPython’s unsafe-option filtering to also reject abbreviated long options (leveraging Git’s acceptance of long-option prefixes), and adds regression tests to prevent bypasses like upload_p → upload-pack.
Changes:
- Update
Git.check_unsafe_optionsto treat prefixes of unsafe long options as unsafe. - Add regression tests covering abbreviated unsafe options for clone/fetch/pull/push APIs.
- Expand unit coverage for canonicalization and prefix behavior in unsafe-option checks.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
git/cmd.py |
Implements prefix-aware unsafe-option matching (needs adjustment to avoid blocking safe short options). |
test/test_git.py |
Adds unit cases asserting abbreviated long options are detected as unsafe. |
test/test_remote.py |
Adds fetch/pull/push regression cases for abbreviated unsafe options. |
test/test_clone.py |
Adds clone/clone_from regression cases for abbreviated upload-pack options. |
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|
Closing as superseded by #2168 |
Tasks
Advisory
<= 3.1.50(to latest main at the time of report)Advisory summary
Git accepts long-option abbreviations, so exact-match unsafe-option checks could be bypassed (
upload_pmatchingupload-pack).This change keeps unsafe-option checks centralized in
Git.check_unsafe_optionsand rejects canonical option prefixes in addition to exact matches.Changes
git/cmd.py: prefix-aware unsafe-option matching against canonicalized option names.test/test_git.py: regression cases for abbreviated dangerous option names.test/test_remote.py: fetch/pull/push regression cases for abbreviated options.test/test_clone.py: clone and clone_from regression cases for abbreviated upload options.Validation
stg show c705fe7e...(contains the comment-only fix-up on top of the advisory patch stack)git rev-parse c705fe7ecodex review --commit c705fe7e(no blocking findings; comment-only change)pytestis not installed in this environment.Created by Codex on behalf of Byron. Byron will review before this is ready to merge.