File xterm-forbid_window_and_font_ops.patch of Package xterm.27522

Overview Repositories Revisions Requests Users Attributes Meta

File xterm-forbid_window_and_font_ops.patch of Package xterm.27522

# forbid dangerous escape sequences (font loading)

diff --git a/XTerm.ad b/XTerm.ad
--- a/XTerm.ad
+++ b/XTerm.ad
@@ -262,16 +262,21 @@
 !*faceSize: 8
 
 ! Here is a pattern that is useful for double-clicking on a URL:
 !*charClass: 33:48,35:48,37-38:48,43-47:48,58:48,61:48,63-64:48,95:48,126:48
 !
 ! Alternatively,
 !*on2Clicks: regex [[:alpha:]]+://([[:alnum:]!#+,./=?@_~-]|(%[[:xdigit:]][[:xdigit:]]))+
 
+! Security: Disallow operations that might allow raw text being pasted to xterm to
+! execute code.
+*allowWindowOps:	false
+*allowFontOps:		false
+
 !! We want a 8bit clean xterm
 *eightBitInput:        true
 *eightBitOutput:       true
 
 !! Default Settings
 *termName:             xterm
 *pointerShape:         top_left_arrow
 *scrollKey:            true
diff --git a/xterm.man b/xterm.man
--- a/xterm.man
+++ b/xterm.man
@@ -2036,17 +2036,17 @@ The default is \*(``false\*(''.
 .TP
 .B "allowColorOps\fP (class\fB AllowColorOps\fP)"
 Specifies whether control sequences that set/query the dynamic colors should be allowed.
 ANSI colors are unaffected by this resource setting.
 The default is \*(``true\*(''.
 .TP
 .B "allowFontOps\fP (class\fB AllowFontOps\fP)"
 Specifies whether control sequences that set/query the font should be allowed.
-The default is \*(``true\*(''.
+The default is \*(``false\*(''.
 .TP
 .B "allowMouseOps\fP (class\fB AllowMouseOps\fP)"
 Specifies whether control sequences that enable \fI\*n\fP to send
 escape sequences to the host on mouse-clicks and movement.
 The default is \*(``true\*(''.
 .TP 8
 .B "allowPasteControls\fP (class\fB AllowPasteControls\fP)"
 If true, allow control characters such as BEL and CAN to be pasted.

Places

File xterm-forbid_window_and_font_ops.patch of Package xterm.27522

Places