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[dunfell,2/7] freetype: fix CVE-2023-2004 integer overflowin in tt_hvadvance_adjust() in src/truetype/ttgxvar.c

Message ID 24c87e674db9c1d4a8922c3af78a0004c061e70f.1683840390.git.steve@sakoman.com
State Accepted, archived
Commit 24c87e674db9c1d4a8922c3af78a0004c061e70f
Headers show
Series [dunfell,1/7] go: Security fix for CVE-2023-24538 | expand

Commit Message

Steve Sakoman May 11, 2023, 9:28 p.m. UTC 
From: Vivek Kumbhar <vkumbhar@mvista.com>

Fix An integer overflow vulnerability was discovered in Freetype in tt_hvadvance_adjust() function in src/truetype/ttgxvar.c

Signed-off-by: Vivek Kumbhar <vkumbhar@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 .../freetype/freetype/CVE-2023-2004.patch     | 40 +++++++++++++++++++
 .../freetype/freetype_2.10.1.bb               |  1 +
 2 files changed, 41 insertions(+)
 create mode 100644 meta/recipes-graphics/freetype/freetype/CVE-2023-2004.patch
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Patch

diff --git a/meta/recipes-graphics/freetype/freetype/CVE-2023-2004.patch b/meta/recipes-graphics/freetype/freetype/CVE-2023-2004.patch
new file mode 100644
index 0000000000..800d77579e
--- /dev/null
+++ b/meta/recipes-graphics/freetype/freetype/CVE-2023-2004.patch
@@ -0,0 +1,40 @@ 
+From e6fda039ad638866b7a6a5d046f03278ba1b7611 Mon Sep 17 00:00:00 2001
+From: Werner Lemberg <wl@gnu.org>
+Date: Mon, 14 Nov 2022 19:18:19 +0100
+Subject: [PATCH] * src/truetype/ttgxvar.c (tt_hvadvance_adjust): Integer
+ overflow.
+
+Reported as
+
+  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50462
+
+Upstream-Status: Backport [https://github.com/freetype/freetype/commit/e6fda039ad638866b7a6a5d046f03278ba1b7611]
+CVE: CVE-2023-2004
+Signed-off-by: Vivek Kumbhar <vkumbhar@mvista.com>
+---
+ src/truetype/ttgxvar.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
+index 78d87dc..258d701 100644
+--- a/src/truetype/ttgxvar.c
++++ b/src/truetype/ttgxvar.c
+@@ -43,6 +43,7 @@
+ #include FT_INTERNAL_DEBUG_H
+ #include FT_CONFIG_CONFIG_H
+ #include FT_INTERNAL_STREAM_H
++#include <freetype/internal/ftcalc.h>
+ #include FT_INTERNAL_SFNT_H
+ #include FT_TRUETYPE_TAGS_H
+ #include FT_TRUETYPE_IDS_H
+@@ -1065,7 +1066,7 @@
+                 delta == 1 ? "" : "s",
+                 vertical ? "VVAR" : "HVAR" ));
+
+-    *avalue += delta;
++    *avalue = ADD_INT( *avalue, delta );
+
+   Exit:
+     return error;
+--
+2.17.1
diff --git a/meta/recipes-graphics/freetype/freetype_2.10.1.bb b/meta/recipes-graphics/freetype/freetype_2.10.1.bb
index 72001c529a..6af744b981 100644
--- a/meta/recipes-graphics/freetype/freetype_2.10.1.bb
+++ b/meta/recipes-graphics/freetype/freetype_2.10.1.bb
@@ -18,6 +18,7 @@  SRC_URI = "${SAVANNAH_NONGNU_MIRROR}/${BPN}/${BP}.tar.xz \
            file://CVE-2022-27404.patch \
            file://CVE-2022-27405.patch \
            file://CVE-2022-27406.patch \
+           file://CVE-2023-2004.patch \
           "
 SRC_URI[md5sum] = "bd42e75127f8431923679480efb5ba8f"
 SRC_URI[sha256sum] = "16dbfa488a21fe827dc27eaf708f42f7aa3bb997d745d31a19781628c36ba26f"