diff options
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.patch | 86 |
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; ++ } + } + } + } |