emacs/emacs-22.1-fast-lock.patch

38 lines
1.6 KiB
Diff

CVE-2008-2142
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2142
http://thread.gmane.org/gmane.emacs.devel/96903
http://article.gmane.org/gmane.emacs.devel/97038
http://article.gmane.org/gmane.emacs.devel/97074
--- lisp/obsolete/fast-lock.el
+++ lisp/obsolete/fast-lock.el 2008-05-13 11:33:10.000000000 +0200
@@ -286,7 +286,7 @@ for buffers in Rmail mode, and size is i
(integer :tag "size")))))
:group 'fast-lock)
-(defcustom fast-lock-cache-directories '("." "~/.emacs-flc")
+(defcustom fast-lock-cache-directories '("~/.emacs-flc")
; - `internal', keep each file's Font Lock cache file in the same file.
; - `external', keep each file's Font Lock cache file in the same directory.
"*Directories in which Font Lock cache files are saved and read.
@@ -304,13 +304,18 @@ For example:
((\"^/your/true/home/directory/\" . \".\") \"~/.emacs-flc\")
would cause a file's current directory to be used if the file is under your
-home directory hierarchy, or otherwise the absolute directory `~/.emacs-flc'."
+home directory hierarchy, or otherwise the absolute directory `~/.emacs-flc'.
+For security reasons, it is not advisable to use the file's current directory
+to avoid the possibility of using the cache of another user."
:type '(repeat (radio (directory :tag "directory")
(cons :tag "Matching"
(regexp :tag "regexp")
(directory :tag "directory"))))
:group 'fast-lock)
+;;;###autoload
+(put 'fast-lock-cache-directories 'risky-local-variable t)
+
(defcustom fast-lock-save-events '(kill-buffer kill-emacs)
"*Events under which caches will be saved.
Valid events are `save-buffer', `kill-buffer' and `kill-emacs'.