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authorGravatar Aaron Ecay <aaronecay@gmail.com>2012-02-03 11:24:08 +0100
committerGravatar David Bremner <bremner@debian.org>2012-02-03 08:26:41 -0400
commitae438ccd8c77831158c7c30f19710d798ee4a6b4 (patch)
tree09c467568c2805a27bdd6c7deacf8305423d8e53 /emacs
parent3f2050ac221a4c940c12442f156f12fff11600c6 (diff)
emacs: quote MML tags in replies
Emacs message-mode uses certain text strings to indicate how to attach files to outgoing mail. If these are present in the text of an email, and a user is tricked into replying to the message, the user’s files could be exposed. Edited-by: Pieter Praet <pieter@praet.org>: Rebased to release branch.
Diffstat (limited to 'emacs')
-rw-r--r--emacs/notmuch-mua.el7
1 files changed, 6 insertions, 1 deletions
diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
index 7114e48a..3e93d7c8 100644
--- a/emacs/notmuch-mua.el
+++ b/emacs/notmuch-mua.el
@@ -111,7 +111,12 @@ list."
(insert body))
(set-buffer-modified-p nil)
- (message-goto-body))
+ (message-goto-body)
+ ;; Original message may contain (malicious) MML tags. We must
+ ;; properly quote them in the reply. Note that using `point-max'
+ ;; instead of `mark' here is wrong. The buffer may include user's
+ ;; signature which should not be MML-quoted.
+ (mml-quote-region (point) (point-max)))
(defun notmuch-mua-forward-message ()
(message-forward)