freetype: patches for CVE-2012-5668, 5669, and 5670

For details of these security issues, please see:

http://www.openwall.com/lists/oss-security/2012/12/25/1

Thanks to Eren Turkay <eren@hambedded.org> for submitting source
patches that apply cleanly to freetype 2.4.9.

This fixes denzil bug [YOCTO #3649]

(From OE-Core rev: be34916d81b71385a560a6990c7b30eba243b356)

Signed-off-by: Scott Garman <scott.a.garman@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/meta/recipes-graphics/freetype/freetype-2.4.9/CVE-2012-5669.patch b/meta/recipes-graphics/freetype/freetype-2.4.9/CVE-2012-5669.patch
new file mode 100644
index 0000000000..e4a991e984
--- /dev/null
+++ b/meta/recipes-graphics/freetype/freetype-2.4.9/CVE-2012-5669.patch
@@ -0,0 +1,31 @@
+From 07bdb6e289c7954e2a533039dc93c1c136099d2d Mon Sep 17 00:00:00 2001
+From: Werner Lemberg <wl@gnu.org>
+Date: Sat, 15 Dec 2012 01:02:23 +0000
+Subject: [bdf] Fix Savannah bug #37906.
+
+* src/bdf/bdflib.c (_bdf_parse_glyphs): Use correct array size for
+checking `glyph_enc'.
+
+Upstream-Status: Pending
+
+Signed-off-by: Eren Turkay <eren@hambedded.org>
+Signed-off-by: Scott Garman <scott.a.garman@intel.com>
+---
+diff --git a/src/bdf/bdflib.c b/src/bdf/bdflib.c
+index 8d7f9a0..f9c06ca 100644
+--- a/src/bdf/bdflib.c
++++ b/src/bdf/bdflib.c
+@@ -1628,8 +1628,9 @@
+ 
+       /* Check that the encoding is in the Unicode range because  */
+       /* otherwise p->have (a bitmap with static size) overflows. */
+-      if ( p->glyph_enc > 0                               &&
+-           (size_t)p->glyph_enc >= sizeof ( p->have ) * 8 )
++      if ( p->glyph_enc > 0                                      &&
++           (size_t)p->glyph_enc >= sizeof ( p->have ) /
++                                   sizeof ( unsigned long ) * 32 )
+       {
+         FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG5, lineno, "ENCODING" ));
+         error = BDF_Err_Invalid_File_Format;
+--
+cgit v0.9.0.2