T07 · Tool Hijacking and Spoofing
Error
- Location
scripts/checklist.sh:60- Finding
Fix-Scope Verification Produces False Success Results
- Content
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/dev/null 2>&1; then local changed_files=$(git diff --name-only HEAD) local file_count=$(echo "$changed_files" | grep -c "$target_file" || true) if [ "$file_count" -gt 1 ]; then log_warn "检测到多个文件被修改，可能影响其他功能" echo "修改的文件列表:" echo "$changed_files" else log_success "修正范围正常，仅修改了目标文件" fi fi ``` ### Technical Analysis The function is presented as a security control that verifies only the requested target file was modified. However, `file_count` counts changed paths matching `target_file`; it does not count all changed files. If the target file and several unrelated files are modified, the target will normally appear once. The condition evaluates to false and the function reports that only the target file was changed. Additional weaknesses include: - Untracked files are not included by `git diff --name-only HEAD`. - `grep` interprets the target path as a regular expression. - Partial path matches can produce incorrect results. - The advertised baseline-hash argument is accepted but never used. - The function does not fail when unrelated modifications are found. This creates a spoofed safety result: the output appears to confirm a meaningful security check even though the check does not enforce its stated property. ### Attack Path 1. An attacker or compromised automation modifies the intended target file. 2. The attacker also modifies unrelated tracked files or creates malicious untracked files. 3. The user or agent runs: ```bash ./scripts/checklist.sh verify-fix path/to/target ``` 4. `git diff --name-only HEAD` returns the target and unrelated changed files. 5. `grep -c "$target_file"` normally returns `1`. 6. The `file_count > 1` condition is false. 7. The script pr ...[truncated 767 chars]- Remediation
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