media-libs/openjpeg: Patch CVEs in SLOT:2

Uses upstream patches to fix CVE-2020-6851, CVE-2020-8112.

Bug: https://bugs.gentoo.org/707926
Signed-off-by: Sam James (sam_c) <sam@cmpct.info>
Closes: https://github.com/gentoo/gentoo/pull/15049
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>

2 files changed, 72 insertions, 0 deletions

diff --git a/media-libs/openjpeg/files/openjpeg-2.3.1-CVE-2020-6851.patch b/media-libs/openjpeg/files/openjpeg-2.3.1-CVE-2020-6851.patch
new file mode 100644
index 000000000000..9a70291f50e4
--- /dev/null
+++ b/media-libs/openjpeg/files/openjpeg-2.3.1-CVE-2020-6851.patch
@@ -0,0 +1,29 @@
+From 024b8407392cb0b82b04b58ed256094ed5799e04 Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sat, 11 Jan 2020 01:51:19 +0100
+Subject: [PATCH] opj_j2k_update_image_dimensions(): reject images whose
+ coordinates are beyond INT_MAX (fixes #1228)
+
+---
+ src/lib/openjp2/j2k.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
+index 14f6ff41a..922550eb1 100644
+--- a/src/lib/openjp2/j2k.c
++++ b/src/lib/openjp2/j2k.c
+@@ -9221,6 +9221,14 @@ static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
+     l_img_comp = p_image->comps;
+     for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
+         OPJ_INT32 l_h, l_w;
++        if (p_image->x0 > (OPJ_UINT32)INT_MAX ||
++                p_image->y0 > (OPJ_UINT32)INT_MAX ||
++                p_image->x1 > (OPJ_UINT32)INT_MAX ||
++                p_image->y1 > (OPJ_UINT32)INT_MAX) {
++            opj_event_msg(p_manager, EVT_ERROR,
++                          "Image coordinates above INT_MAX are not supported\n");
++            return OPJ_FALSE;
++        }
+ 
+         l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
+                          (OPJ_INT32)l_img_comp->dx);
diff --git a/media-libs/openjpeg/files/openjpeg-2.3.1-CVE-2020-8112.patch b/media-libs/openjpeg/files/openjpeg-2.3.1-CVE-2020-8112.patch
new file mode 100644
index 000000000000..95cb8095f562
--- /dev/null
+++ b/media-libs/openjpeg/files/openjpeg-2.3.1-CVE-2020-8112.patch
@@ -0,0 +1,43 @@
+From 05f9b91e60debda0e83977e5e63b2e66486f7074 Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Thu, 30 Jan 2020 00:59:57 +0100
+Subject: [PATCH] opj_tcd_init_tile(): avoid integer overflow
+
+That could lead to later assertion failures.
+
+Fixes #1231 / CVE-2020-8112
+---
+ src/lib/openjp2/tcd.c | 20 ++++++++++++++++++--
+ 1 file changed, 18 insertions(+), 2 deletions(-)
+
+diff --git a/src/lib/openjp2/tcd.c b/src/lib/openjp2/tcd.c
+index deecc4dff..aa419030a 100644
+--- a/src/lib/openjp2/tcd.c
++++ b/src/lib/openjp2/tcd.c
+@@ -905,8 +905,24 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
+             /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
+             l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx;
+             l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy;
+-            l_br_prc_x_end = opj_int_ceildivpow2(l_res->x1, (OPJ_INT32)l_pdx) << l_pdx;
+-            l_br_prc_y_end = opj_int_ceildivpow2(l_res->y1, (OPJ_INT32)l_pdy) << l_pdy;
++            {
++                OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->x1,
++                                  (OPJ_INT32)l_pdx)) << l_pdx;
++                if (tmp > (OPJ_UINT32)INT_MAX) {
++                    opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
++                    return OPJ_FALSE;
++                }
++                l_br_prc_x_end = (OPJ_INT32)tmp;
++            }
++            {
++                OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->y1,
++                                  (OPJ_INT32)l_pdy)) << l_pdy;
++                if (tmp > (OPJ_UINT32)INT_MAX) {
++                    opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
++                    return OPJ_FALSE;
++                }
++                l_br_prc_y_end = (OPJ_INT32)tmp;
++            }
+             /*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/
+ 
+             l_res->pw = (l_res->x0 == l_res->x1) ? 0U : (OPJ_UINT32)((