aboutsummaryrefslogtreecommitdiffstats
path: root/meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2019-12973-2.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2019-12973-2.patch')
-rw-r--r--meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2019-12973-2.patch86
1 files changed, 86 insertions, 0 deletions
diff --git a/meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2019-12973-2.patch b/meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2019-12973-2.patch
new file mode 100644
index 0000000000..2177bfdbdb
--- /dev/null
+++ b/meta-oe/recipes-graphics/openjpeg/openjpeg/CVE-2019-12973-2.patch
@@ -0,0 +1,86 @@
+From 3aef207f90e937d4931daf6d411e092f76d82e66 Mon Sep 17 00:00:00 2001
+From: Young Xiao <YangX92@hotmail.com>
+Date: Sat, 16 Mar 2019 20:09:59 +0800
+Subject: [PATCH] bmp_read_rle4_data(): avoid potential infinite loop
+
+Upstream-Status: Backport [https://launchpad.net/ubuntu/+archive/primary/+sourcefiles/openjpeg2/2.3.1-1ubuntu4.20.04.1/openjpeg2_2.3.1-1ubuntu4.20.04.1.debian.tar.xz]
+CVE: CVE-2019-12973
+Signed-off-by: Virendra Thakur <virendra.thakur@kpit.com>
+---
+ src/bin/jp2/convertbmp.c | 32 ++++++++++++++++++++++++++------
+ 1 file changed, 26 insertions(+), 6 deletions(-)
+
+diff --git a/src/bin/jp2/convertbmp.c b/src/bin/jp2/convertbmp.c
+index ec34f535b..2fc4e9bc4 100644
+--- a/src/bin/jp2/convertbmp.c
++++ b/src/bin/jp2/convertbmp.c
+@@ -632,12 +632,18 @@ static OPJ_BOOL bmp_read_rle4_data(FILE* IN, OPJ_UINT8* pData,
+ while (y < height) {
+ int c = getc(IN);
+ if (c == EOF) {
+- break;
++ return OPJ_FALSE;
+ }
+
+ if (c) { /* encoded mode */
+- int j;
+- OPJ_UINT8 c1 = (OPJ_UINT8)getc(IN);
++ int j, c1_int;
++ OPJ_UINT8 c1;
++
++ c1_int = getc(IN);
++ if (c1_int == EOF) {
++ return OPJ_FALSE;
++ }
++ c1 = (OPJ_UINT8)c1_int;
+
+ for (j = 0; (j < c) && (x < width) &&
+ ((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
+@@ -647,7 +653,7 @@ static OPJ_BOOL bmp_read_rle4_data(FILE* IN, OPJ_UINT8* pData,
+ } else { /* absolute mode */
+ c = getc(IN);
+ if (c == EOF) {
+- break;
++ return OPJ_FALSE;
+ }
+
+ if (c == 0x00) { /* EOL */
+@@ -658,8 +664,14 @@ static OPJ_BOOL bmp_read_rle4_data(FILE* IN, OPJ_UINT8* pData,
+ break;
+ } else if (c == 0x02) { /* MOVE by dxdy */
+ c = getc(IN);
++ if (c == EOF) {
++ return OPJ_FALSE;
++ }
+ x += (OPJ_UINT32)c;
+ c = getc(IN);
++ if (c == EOF) {
++ return OPJ_FALSE;
++ }
+ y += (OPJ_UINT32)c;
+ pix = pData + y * stride + x;
+ } else { /* 03 .. 255 : absolute mode */
+@@ -669,13 +681,21 @@ static OPJ_BOOL bmp_read_rle4_data(FILE* IN, OPJ_UINT8* pData,
+ for (j = 0; (j < c) && (x < width) &&
+ ((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
+ if ((j & 1) == 0) {
+- c1 = (OPJ_UINT8)getc(IN);
++ int c1_int;
++ c1_int = getc(IN);
++ if (c1_int == EOF) {
++ return OPJ_FALSE;
++ }
++ c1 = (OPJ_UINT8)c1_int;
+ }
+ *pix = (OPJ_UINT8)((j & 1) ? (c1 & 0x0fU) : ((c1 >> 4) & 0x0fU));
+ written++;
+ }
+ if (((c & 3) == 1) || ((c & 3) == 2)) { /* skip padding byte */
+- getc(IN);
++ c = getc(IN);
++ if (c == EOF) {
++ return OPJ_FALSE;
++ }
+ }
+ }
+ }