diff options
Diffstat (limited to 'meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2017-14136.patch')
-rw-r--r-- | meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2017-14136.patch | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2017-14136.patch b/meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2017-14136.patch new file mode 100644 index 000000000..7ad50a2d2 --- /dev/null +++ b/meta-openembedded/meta-oe/recipes-support/opencv/opencv/CVE-2017-14136.patch @@ -0,0 +1,288 @@ +Upstream-Status: Backport [https://github.com/opencv/opencv/pull/9448/commits/aacae20] + +Backport patch to fix CVE-2017-14136. + +Ref: https://github.com/opencv/opencv/issues/9443 + +Signed-off-by: Kai Kang <kai.kang@windriver.com> +--- +From aacae2065744adb05e858d327198c7bbe7f452b0 Mon Sep 17 00:00:00 2001 +From: Alexander Alekhin <alexander.alekhin@intel.com> +Date: Wed, 23 Aug 2017 15:15:27 +0300 +Subject: [PATCH] imgcodesc: fix code problems with integer overflow / address + arithmetic / UB + +--- + modules/imgcodecs/src/grfmt_bmp.cpp | 8 ++--- + modules/imgcodecs/src/grfmt_exr.cpp | 10 +++---- + modules/imgcodecs/src/grfmt_jpeg.cpp | 2 +- + modules/imgcodecs/src/grfmt_jpeg2000.cpp | 6 ++-- + modules/imgcodecs/src/grfmt_pam.cpp | 2 +- + modules/imgcodecs/src/grfmt_sunras.cpp | 6 ++-- + modules/imgcodecs/src/utils.cpp | 51 +++++++++++++++++++------------- + modules/imgcodecs/src/utils.hpp | 2 ++ + 8 files changed, 50 insertions(+), 37 deletions(-) + +diff --git a/modules/imgcodecs/src/grfmt_bmp.cpp b/modules/imgcodecs/src/grfmt_bmp.cpp +index 257f97c2d8b..69768e276a3 100644 +--- a/modules/imgcodecs/src/grfmt_bmp.cpp ++++ b/modules/imgcodecs/src/grfmt_bmp.cpp +@@ -193,7 +193,7 @@ bool BmpDecoder::readHeader() + bool BmpDecoder::readData( Mat& img ) + { + uchar* data = img.ptr(); +- int step = (int)img.step; ++ int step = validateToInt(img.step); + bool color = img.channels() > 1; + uchar gray_palette[256] = {0}; + bool result = false; +@@ -206,7 +206,7 @@ bool BmpDecoder::readData( Mat& img ) + + if( m_origin == IPL_ORIGIN_BL ) + { +- data += (m_height - 1)*step; ++ data += (m_height - 1)*(size_t)step; + step = -step; + } + +@@ -530,7 +530,7 @@ bool BmpEncoder::write( const Mat& img, const std::vector<int>& ) + int bitmapHeaderSize = 40; + int paletteSize = channels > 1 ? 0 : 1024; + int headerSize = 14 /* fileheader */ + bitmapHeaderSize + paletteSize; +- int fileSize = fileStep*height + headerSize; ++ size_t fileSize = (size_t)fileStep*height + headerSize; + PaletteEntry palette[256]; + + if( m_buf ) +@@ -540,7 +540,7 @@ bool BmpEncoder::write( const Mat& img, const std::vector<int>& ) + strm.putBytes( fmtSignBmp, (int)strlen(fmtSignBmp) ); + + // write file header +- strm.putDWord( fileSize ); // file size ++ strm.putDWord( validateToInt(fileSize) ); // file size + strm.putDWord( 0 ); + strm.putDWord( headerSize ); + +diff --git a/modules/imgcodecs/src/grfmt_exr.cpp b/modules/imgcodecs/src/grfmt_exr.cpp +index 0d2ae9fa7d2..78ffe6c7668 100644 +--- a/modules/imgcodecs/src/grfmt_exr.cpp ++++ b/modules/imgcodecs/src/grfmt_exr.cpp +@@ -195,7 +195,7 @@ bool ExrDecoder::readData( Mat& img ) + bool color = img.channels() > 1; + + uchar* data = img.ptr(); +- int step = img.step; ++ size_t step = img.step; + bool justcopy = m_native_depth; + bool chromatorgb = false; + bool rgbtogray = false; +@@ -203,8 +203,8 @@ bool ExrDecoder::readData( Mat& img ) + FrameBuffer frame; + int xsample[3] = {1, 1, 1}; + char *buffer; +- int xstep; +- int ystep; ++ size_t xstep = 0; ++ size_t ystep = 0; + + xstep = m_native_depth ? 4 : 1; + +@@ -593,7 +593,7 @@ bool ExrEncoder::write( const Mat& img, const std::vector<int>& ) + bool issigned = depth == CV_8S || depth == CV_16S || depth == CV_32S; + bool isfloat = depth == CV_32F || depth == CV_64F; + depth = CV_ELEM_SIZE1(depth)*8; +- const int step = img.step; ++ const size_t step = img.step; + + Header header( width, height ); + Imf::PixelType type; +@@ -623,7 +623,7 @@ bool ExrEncoder::write( const Mat& img, const std::vector<int>& ) + FrameBuffer frame; + + char *buffer; +- int bufferstep; ++ size_t bufferstep; + int size; + if( type == FLOAT && depth == 32 ) + { +diff --git a/modules/imgcodecs/src/grfmt_jpeg.cpp b/modules/imgcodecs/src/grfmt_jpeg.cpp +index ce942ca1995..caf768d2569 100644 +--- a/modules/imgcodecs/src/grfmt_jpeg.cpp ++++ b/modules/imgcodecs/src/grfmt_jpeg.cpp +@@ -396,7 +396,7 @@ int my_jpeg_load_dht (struct jpeg_decompress_struct *info, unsigned char *dht, + bool JpegDecoder::readData( Mat& img ) + { + volatile bool result = false; +- int step = (int)img.step; ++ size_t step = img.step; + bool color = img.channels() > 1; + + if( m_state && m_width && m_height ) +diff --git a/modules/imgcodecs/src/grfmt_jpeg2000.cpp b/modules/imgcodecs/src/grfmt_jpeg2000.cpp +index 950ec21375f..24dfb38bb9d 100644 +--- a/modules/imgcodecs/src/grfmt_jpeg2000.cpp ++++ b/modules/imgcodecs/src/grfmt_jpeg2000.cpp +@@ -156,7 +156,7 @@ bool Jpeg2KDecoder::readData( Mat& img ) + bool result = false; + int color = img.channels() > 1; + uchar* data = img.ptr(); +- int step = (int)img.step; ++ size_t step = img.step; + jas_stream_t* stream = (jas_stream_t*)m_stream; + jas_image_t* image = (jas_image_t*)m_image; + +@@ -252,9 +252,9 @@ bool Jpeg2KDecoder::readData( Mat& img ) + if( !jas_image_readcmpt( image, cmptlut[i], 0, 0, xend / xstep, yend / ystep, buffer )) + { + if( img.depth() == CV_8U ) +- result = readComponent8u( data + i, buffer, step, cmptlut[i], maxval, offset, ncmpts ); ++ result = readComponent8u( data + i, buffer, validateToInt(step), cmptlut[i], maxval, offset, ncmpts ); + else +- result = readComponent16u( ((unsigned short *)data) + i, buffer, step / 2, cmptlut[i], maxval, offset, ncmpts ); ++ result = readComponent16u( ((unsigned short *)data) + i, buffer, validateToInt(step / 2), cmptlut[i], maxval, offset, ncmpts ); + if( !result ) + { + i = ncmpts; +diff --git a/modules/imgcodecs/src/grfmt_pam.cpp b/modules/imgcodecs/src/grfmt_pam.cpp +index 11195dc342c..8eb9e012309 100644 +--- a/modules/imgcodecs/src/grfmt_pam.cpp ++++ b/modules/imgcodecs/src/grfmt_pam.cpp +@@ -479,7 +479,7 @@ bool PAMDecoder::readData( Mat& img ) + { + uchar* data = img.ptr(); + int target_channels = img.channels(); +- int imp_stride = (int)img.step; ++ size_t imp_stride = img.step; + int sample_depth = CV_ELEM_SIZE1(m_type); + int src_elems_per_row = m_width*m_channels; + int src_stride = src_elems_per_row*sample_depth; +diff --git a/modules/imgcodecs/src/grfmt_sunras.cpp b/modules/imgcodecs/src/grfmt_sunras.cpp +index aca9b369318..6d448f94ed3 100644 +--- a/modules/imgcodecs/src/grfmt_sunras.cpp ++++ b/modules/imgcodecs/src/grfmt_sunras.cpp +@@ -160,7 +160,7 @@ bool SunRasterDecoder::readData( Mat& img ) + { + int color = img.channels() > 1; + uchar* data = img.ptr(); +- int step = (int)img.step; ++ size_t step = img.step; + uchar gray_palette[256] = {0}; + bool result = false; + int src_pitch = ((m_width*m_bpp + 7)/8 + 1) & -2; +@@ -308,11 +308,11 @@ bool SunRasterDecoder::readData( Mat& img ) + code = m_strm.getByte(); + + if( color ) +- data = FillUniColor( data, line_end, step, width3, ++ data = FillUniColor( data, line_end, validateToInt(step), width3, + y, m_height, len, + m_palette[code] ); + else +- data = FillUniGray( data, line_end, step, width3, ++ data = FillUniGray( data, line_end, validateToInt(step), width3, + y, m_height, len, + gray_palette[code] ); + if( y >= m_height ) +diff --git a/modules/imgcodecs/src/utils.cpp b/modules/imgcodecs/src/utils.cpp +index 2ee5bafc712..474dae008ca 100644 +--- a/modules/imgcodecs/src/utils.cpp ++++ b/modules/imgcodecs/src/utils.cpp +@@ -42,6 +42,13 @@ + #include "precomp.hpp" + #include "utils.hpp" + ++int validateToInt(size_t sz) ++{ ++ int valueInt = (int)sz; ++ CV_Assert((size_t)valueInt == sz); ++ return valueInt; ++} ++ + #define SCALE 14 + #define cR (int)(0.299*(1 << SCALE) + 0.5) + #define cG (int)(0.587*(1 << SCALE) + 0.5) +@@ -537,23 +544,25 @@ uchar* FillColorRow1( uchar* data, uchar* indices, int len, PaletteEntry* palett + { + uchar* end = data + len*3; + ++ const PaletteEntry p0 = palette[0], p1 = palette[1]; ++ + while( (data += 24) < end ) + { + int idx = *indices++; +- *((PaletteEntry*)(data - 24)) = palette[(idx & 128) != 0]; +- *((PaletteEntry*)(data - 21)) = palette[(idx & 64) != 0]; +- *((PaletteEntry*)(data - 18)) = palette[(idx & 32) != 0]; +- *((PaletteEntry*)(data - 15)) = palette[(idx & 16) != 0]; +- *((PaletteEntry*)(data - 12)) = palette[(idx & 8) != 0]; +- *((PaletteEntry*)(data - 9)) = palette[(idx & 4) != 0]; +- *((PaletteEntry*)(data - 6)) = palette[(idx & 2) != 0]; +- *((PaletteEntry*)(data - 3)) = palette[(idx & 1) != 0]; ++ *((PaletteEntry*)(data - 24)) = (idx & 128) ? p1 : p0; ++ *((PaletteEntry*)(data - 21)) = (idx & 64) ? p1 : p0; ++ *((PaletteEntry*)(data - 18)) = (idx & 32) ? p1 : p0; ++ *((PaletteEntry*)(data - 15)) = (idx & 16) ? p1 : p0; ++ *((PaletteEntry*)(data - 12)) = (idx & 8) ? p1 : p0; ++ *((PaletteEntry*)(data - 9)) = (idx & 4) ? p1 : p0; ++ *((PaletteEntry*)(data - 6)) = (idx & 2) ? p1 : p0; ++ *((PaletteEntry*)(data - 3)) = (idx & 1) ? p1 : p0; + } + +- int idx = indices[0] << 24; ++ int idx = indices[0]; + for( data -= 24; data < end; data += 3, idx += idx ) + { +- PaletteEntry clr = palette[idx < 0]; ++ const PaletteEntry clr = (idx & 128) ? p1 : p0; + WRITE_PIX( data, clr ); + } + +@@ -565,23 +574,25 @@ uchar* FillGrayRow1( uchar* data, uchar* indices, int len, uchar* palette ) + { + uchar* end = data + len; + ++ const uchar p0 = palette[0], p1 = palette[1]; ++ + while( (data += 8) < end ) + { + int idx = *indices++; +- *((uchar*)(data - 8)) = palette[(idx & 128) != 0]; +- *((uchar*)(data - 7)) = palette[(idx & 64) != 0]; +- *((uchar*)(data - 6)) = palette[(idx & 32) != 0]; +- *((uchar*)(data - 5)) = palette[(idx & 16) != 0]; +- *((uchar*)(data - 4)) = palette[(idx & 8) != 0]; +- *((uchar*)(data - 3)) = palette[(idx & 4) != 0]; +- *((uchar*)(data - 2)) = palette[(idx & 2) != 0]; +- *((uchar*)(data - 1)) = palette[(idx & 1) != 0]; ++ *((uchar*)(data - 8)) = (idx & 128) ? p1 : p0; ++ *((uchar*)(data - 7)) = (idx & 64) ? p1 : p0; ++ *((uchar*)(data - 6)) = (idx & 32) ? p1 : p0; ++ *((uchar*)(data - 5)) = (idx & 16) ? p1 : p0; ++ *((uchar*)(data - 4)) = (idx & 8) ? p1 : p0; ++ *((uchar*)(data - 3)) = (idx & 4) ? p1 : p0; ++ *((uchar*)(data - 2)) = (idx & 2) ? p1 : p0; ++ *((uchar*)(data - 1)) = (idx & 1) ? p1 : p0; + } + +- int idx = indices[0] << 24; ++ int idx = indices[0]; + for( data -= 8; data < end; data++, idx += idx ) + { +- data[0] = palette[idx < 0]; ++ data[0] = (idx & 128) ? p1 : p0; + } + + return data; +diff --git a/modules/imgcodecs/src/utils.hpp b/modules/imgcodecs/src/utils.hpp +index cab10609db2..7af4c6174ee 100644 +--- a/modules/imgcodecs/src/utils.hpp ++++ b/modules/imgcodecs/src/utils.hpp +@@ -42,6 +42,8 @@ + #ifndef _UTILS_H_ + #define _UTILS_H_ + ++int validateToInt(size_t step); ++ + struct PaletteEntry + { + unsigned char b, g, r, a; |