emacs/CVE-2022-48339.patch

30 lines
1.0 KiB
Diff

From 807d2d5b3a7cd1d0e3f7dd24de22770f54f5ae16 Mon Sep 17 00:00:00 2001
From: Xi Lu <lx@shellcodes.org>
Date: Sat, 24 Dec 2022 16:28:54 +0800
Subject: [PATCH] Fix htmlfontify.el command injection vulnerability.
* lisp/htmlfontify.el (hfy-text-p): Fix command injection
vulnerability. (Bug#60295)
(cherry picked from commit 1b4dc4691c1f87fc970fbe568b43869a15ad0d4c)
---
lisp/htmlfontify.el | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git lisp/htmlfontify.el lisp/htmlfontify.el
index 115f67c9560..f8d1e205369 100644
--- lisp/htmlfontify.el
+++ lisp/htmlfontify.el
@@ -1882,7 +1882,7 @@ Hardly bombproof, but good enough in the context in which it is being used."
(defun hfy-text-p (srcdir file)
"Is SRCDIR/FILE text? Use `hfy-istext-command' to determine this."
- (let* ((cmd (format hfy-istext-command (expand-file-name file srcdir)))
+ (let* ((cmd (format hfy-istext-command (shell-quote-argument (expand-file-name file srcdir))))
(rsp (shell-command-to-string cmd)))
(string-match "text" rsp)))
--
2.35.3