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cairo: Fix CVE-2017-7475

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CVE: CVE-2017-7475

Bug 100763 - Denial-of-Service Attack due to Logical Problem in Program

https://bugs.freedesktop.org/show_bug.cgi?id=100763

(From OE-Core rev: 03be750d9c5a090141a9d76f8ee30d5f696a8595)

Signed-off-by: Fan Xin <fan.xin@jp.fujitsu.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Fan Xin
2017-06-06 15:57:52 +09:00
committed by Richard Purdie
parent 38c06ab450
commit 8c19ed047a
2 changed files with 25 additions and 1 deletions
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22
meta/recipes-graphics/cairo/cairo/cairo-get_bitmap_surface-bsc1036789-CVE-2017-7475.diff Normal file
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@@ -0,0 +1,22 @@
Cairo: Fix Denial-of-Service Attack due to Logical Problem in Program
https://bugs.freedesktop.org/show_bug.cgi?id=100763
CVE: CVE-2017-7475
Upstream-Status: Submitted
Signed-off-by: Fan Xin <fan.xin@jp.fujitsu.com>
Index: cairo-1.15.4/src/cairo-ft-font.c
===================================================================
--- cairo-1.15.4.orig/src/cairo-ft-font.c
+++ cairo-1.15.4/src/cairo-ft-font.c
@@ -1149,7 +1149,7 @@ _get_bitmap_surface (FT_Bitmap *bi
width = bitmap->width;
height = bitmap->rows;
- if (width == 0 || height == 0) {
+ if (width == 0 || height == 0 || bitmap->buffer == NULL) {
*surface = (cairo_image_surface_t *)
cairo_image_surface_create_for_data (NULL, format, 0, 0, 0);
return (*surface)->base.status;

4
meta/recipes-graphics/cairo/cairo_1.14.8.bb
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@@ -2,7 +2,9 @@ require cairo.inc
LIC_FILES_CHKSUM = "file://COPYING;md5=e73e999e0c72b5ac9012424fa157ad77"
SRC_URI = "http://cairographics.org/releases/cairo-${PV}.tar.xz"
SRC_URI = "http://cairographics.org/releases/cairo-${PV}.tar.xz \
file://cairo-get_bitmap_surface-bsc1036789-CVE-2017-7475.diff \
"
SRC_URI[md5sum] = "4ef0db2eacb271c74f8a3fd87822aa98"
SRC_URI[sha256sum] = "d1f2d98ae9a4111564f6de4e013d639cf77155baf2556582295a0f00a9bc5e20"