From 9a3b08061feea14d6f37685ca1ab8801758bfd1c Mon Sep 17 00:00:00 2001

From: Xi Lu <lx@shellcodes.org>

Date: Fri, 23 Dec 2022 12:52:48 +0800

Subject: [PATCH] Fix ruby-mode.el local command injection vulnerability

 (bug#60268)

* lisp/progmodes/ruby-mode.el

(ruby-find-library-file): Fix local command injection vulnerability.

---

 lisp/progmodes/ruby-mode.el | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el

index 1f3e9b6ae7b..a4aa61905e4 100644

--- a/lisp/progmodes/ruby-mode.el

+++ b/lisp/progmodes/ruby-mode.el

@@ -1820,7 +1820,7 @@ ruby-find-library-file

       (setq feature-name (read-string "Feature name: " init))))

   (let ((out

          (substring

-          (shell-command-to-string (concat "gem which " feature-name))

+          (shell-command-to-string (concat "gem which " (shell-quote-argument feature-name)))

           0 -1)))

     (if (string-match-p "\\`ERROR" out)

         (user-error "%s" out)

-- 

2.36.1