libtiff: CVE-2013-4243

cve description:
Heap-based buffer overflow in the readgifimage function in the gif2tiff
tool in libtiff 4.0.3 and earlier allows remote attackers to cause a denial
of service (crash) and possibly execute arbitrary code via a crafted height
and width values in a GIF image.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-4243

Signed-off-by: Baogen Shang <baogen.shang@windriver.com>
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/files/libtiff-CVE-2013-4243.patch b/meta/recipes-multimedia/libtiff/files/libtiff-CVE-2013-4243.patch
new file mode 100644
index 0000000000..642a117976
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/libtiff-CVE-2013-4243.patch
@@ -0,0 +1,40 @@
+This patch comes from: http://bugzilla.maptools.org/attachment.cgi?id=518&action=diff#tools/gif2tiff.c_sec2
+
+Upstream-Status: Pending
+
+Signed-off-by: Baogen shang <baogen.shang@windriver.com>
+--- a/tools/gif2tiff.c	2013-10-14 17:08:43.966239709 +0800
++++ b/tools/gif2tiff.c	2013-10-14 17:18:22.994239638 +0800
+@@ -280,6 +280,10 @@
+         fprintf(stderr, "no colormap present for image\n");
+         return (0);
+     }
++    if (width == 0 || height == 0) {
++        fprintf(stderr, "Invalid value of width or height\n");
++        return(0);
++    }
+     if ((raster = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) {
+         fprintf(stderr, "not enough memory for image\n");
+         return (0);
+@@ -397,6 +401,10 @@
+ 	return 1;
+     }
+ 
++    if (*fill >= raster + width*height) {
++        fprintf(stderr, "raster full before eoi code\n");
++        return 0;
++    }
+     if (oldcode == -1) {
+ 	*(*fill)++ = suffix[code];
+ 	firstchar = oldcode = code;
+@@ -428,6 +436,10 @@
+     }
+     oldcode = incode;
+     do {
++    if (*fill >= raster + width*height) {
++        fprintf(stderr, "raster full before eoi code\n");
++        return 0;
++    }
+ 	*(*fill)++ = *--stackp;
+     } while (stackp > stack);
+     return 1;