From ac6694378e0ed4bdffa6e1318c9d4beda24a6b0e Mon Sep 17 00:00:00 2001
From: Mike DePaulo <mikedep333@gmail.com>
Date: Sun, 8 Feb 2015 20:12:25 -0500
Subject: CVE-2013-6462: unlimited sscanf overflows stack buffer in
bdfReadCharacters() from xorg/lib/libXfont
http://lists.x.org/archives/xorg-announce/2014-January/002389.html
Fixes cppcheck warning:
[lib/libXfont/src/bitmap/bdfread.c:341]: (warning)
scanf without field width limits can crash with huge input data.
---
nx-X11/lib/font/bitmap/bdfread.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'nx-X11/lib/font')
diff --git a/nx-X11/lib/font/bitmap/bdfread.c b/nx-X11/lib/font/bitmap/bdfread.c
index a6f0c1e7e..bccabd7df 100644
--- a/nx-X11/lib/font/bitmap/bdfread.c
+++ b/nx-X11/lib/font/bitmap/bdfread.c
@@ -344,7 +344,7 @@ bdfReadCharacters(FontFilePtr file, FontPtr pFont, bdfFileState *pState,
char charName[100];
int ignore;
- if (sscanf((char *) line, "STARTCHAR %s", charName) != 1) {
+ if (sscanf((char *) line, "STARTCHAR %99s", charName) != 1) {
bdfError("bad character name in BDF file\n");
goto BAILOUT; /* bottom of function, free and return error */
}
--
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