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fix: Add comprehensive command injection and system abuse prevention patterns (#401)

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* Add comprehensive command injection and system abuse prevention patterns

* fix: Container running as root
This commit is contained in:
lxowalle
2026-02-18 15:33:34 +08:00
committed by GitHub
parent 8807d8254f
commit 01d694b998
3 changed files with 46 additions and 5 deletions
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pkg/tools/shell.go
+34
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@@ -31,6 +31,40 @@ func NewExecTool(workingDir string, restrict bool) *ExecTool {
regexp.MustCompile(`>\s*/dev/sd[a-z]\b`), // Block writes to disk devices (but allow /dev/null)
regexp.MustCompile(`\b(shutdown|reboot|poweroff)\b`),
regexp.MustCompile(`:\(\)\s*\{.*\};\s*:`),
regexp.MustCompile(`\$\([^)]+\)`),
regexp.MustCompile(`\$\{[^}]+\}`),
regexp.MustCompile("`[^`]+`"),
regexp.MustCompile(`\|\s*sh\b`),
regexp.MustCompile(`\|\s*bash\b`),
regexp.MustCompile(`;\s*rm\s+-[rf]`),
regexp.MustCompile(`&&\s*rm\s+-[rf]`),
regexp.MustCompile(`\|\|\s*rm\s+-[rf]`),
regexp.MustCompile(`>\s*/dev/null\s*>&?\s*\d?`),
regexp.MustCompile(`<<\s*EOF`),
regexp.MustCompile(`\$\(\s*cat\s+`),
regexp.MustCompile(`\$\(\s*curl\s+`),
regexp.MustCompile(`\$\(\s*wget\s+`),
regexp.MustCompile(`\$\(\s*which\s+`),
regexp.MustCompile(`\bsudo\b`),
regexp.MustCompile(`\bchmod\s+[0-7]{3,4}\b`),
regexp.MustCompile(`\bchown\b`),
regexp.MustCompile(`\bpkill\b`),
regexp.MustCompile(`\bkillall\b`),
regexp.MustCompile(`\bkill\s+-[9]\b`),
regexp.MustCompile(`\bcurl\b.*\|\s*(sh|bash)`),
regexp.MustCompile(`\bwget\b.*\|\s*(sh|bash)`),
regexp.MustCompile(`\bnpm\s+install\s+-g\b`),
regexp.MustCompile(`\bpip\s+install\s+--user\b`),
regexp.MustCompile(`\bapt\s+(install|remove|purge)\b`),
regexp.MustCompile(`\byum\s+(install|remove)\b`),
regexp.MustCompile(`\bdnf\s+(install|remove)\b`),
regexp.MustCompile(`\bdocker\s+run\b`),
regexp.MustCompile(`\bdocker\s+exec\b`),
regexp.MustCompile(`\bgit\s+push\b`),
regexp.MustCompile(`\bgit\s+force\b`),
regexp.MustCompile(`\bssh\b.*@`),
regexp.MustCompile(`\beval\b`),
regexp.MustCompile(`\bsource\s+.*\.sh\b`),
}
return &ExecTool{