diff options
Diffstat (limited to 'meta/recipes-graphics/jpeg/files/CVE-2020-35538-2.patch')
-rw-r--r-- | meta/recipes-graphics/jpeg/files/CVE-2020-35538-2.patch | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/meta/recipes-graphics/jpeg/files/CVE-2020-35538-2.patch b/meta/recipes-graphics/jpeg/files/CVE-2020-35538-2.patch new file mode 100644 index 0000000000..f86175dff0 --- /dev/null +++ b/meta/recipes-graphics/jpeg/files/CVE-2020-35538-2.patch @@ -0,0 +1,400 @@ +From a46c111d9f3642f0ef3819e7298846ccc61869e0 Mon Sep 17 00:00:00 2001 +From: DRC <information@libjpeg-turbo.org> +Date: Mon, 27 Jul 2020 14:21:23 -0500 +Subject: [PATCH] Further jpeg_skip_scanlines() fixes + +- Introduce a partial image decompression regression test script that + validates the correctness of jpeg_skip_scanlines() and + jpeg_crop_scanlines() for a variety of cropping regions and libjpeg + settings. + + This regression test catches the following issues: + #182, fixed in 5bc43c7 + #237, fixed in 6e95c08 + #244, fixed in 398c1e9 + #441, fully fixed in this commit + + It does not catch the following issues: + #194, fixed in 773040f + #244 (additional segfault), fixed in + 9120a24 + +- Modify the libjpeg-turbo regression test suite (make test) so that it + checks for the issue reported in #441 (segfault in + jpeg_skip_scanlines() when used with 4:2:0 merged upsampling/color + conversion.) + +- Fix issues in jpeg_skip_scanlines() that caused incorrect output with + h2v2 (4:2:0) merged upsampling/color conversion. The previous commit + fixed the segfault reported in #441, but that was a symptom of a + larger problem. Because merged 4:2:0 upsampling uses a "spare row" + buffer, it is necessary to allow the upsampler to run when skipping + rows (fancy 4:2:0 upsampling, which uses context rows, also requires + this.) Otherwise, if skipping starts at an odd-numbered row, the + output image will be incorrect. + +- Throw an error if jpeg_skip_scanlines() is called with two-pass color + quantization enabled. With two-pass color quantization, the first + pass occurs within jpeg_start_decompress(), so subsequent calls to + jpeg_skip_scanlines() interfere with the multipass state and prevent + the second pass from occurring during subsequent calls to + jpeg_read_scanlines(). + +Upstream-Status: Backport [https://github.com/libjpeg-turbo/libjpeg-turbo/commit/a46c111d9f3642f0ef3819e7298846ccc61869e0] +CVE: CVE-2020-35538 +Signed-off-by: Vijay Anusuri <vanusuri@mvista.com> +--- + CMakeLists.txt | 9 +++-- + ChangeLog.md | 15 +++++--- + croptest.in | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++ + jdapistd.c | 70 +++++++++++-------------------------- + libjpeg.txt | 6 ++-- + 5 files changed, 136 insertions(+), 59 deletions(-) + create mode 100755 croptest.in + +diff --git a/CMakeLists.txt b/CMakeLists.txt +index aee74c9..de451f4 100644 +--- a/CMakeLists.txt ++++ b/CMakeLists.txt +@@ -753,7 +753,7 @@ else() + set(MD5_PPM_3x2_IFAST fd283664b3b49127984af0a7f118fccd) + set(MD5_JPEG_420_ISLOW_ARI e986fb0a637a8d833d96e8a6d6d84ea1) + set(MD5_JPEG_444_ISLOW_PROGARI 0a8f1c8f66e113c3cf635df0a475a617) +- set(MD5_PPM_420M_IFAST_ARI 72b59a99bcf1de24c5b27d151bde2437) ++ set(MD5_PPM_420M_IFAST_ARI 57251da28a35b46eecb7177d82d10e0e) + set(MD5_JPEG_420_ISLOW 9a68f56bc76e466aa7e52f415d0f4a5f) + set(MD5_PPM_420M_ISLOW_2_1 9f9de8c0612f8d06869b960b05abf9c9) + set(MD5_PPM_420M_ISLOW_15_8 b6875bc070720b899566cc06459b63b7) +@@ -1131,7 +1131,7 @@ foreach(libtype ${TEST_LIBTYPES}) + + if(WITH_ARITH_DEC) + # CC: RGB->YCC SAMP: h2v2 merged IDCT: ifast ENT: arith +- add_bittest(djpeg 420m-ifast-ari "-fast;-ppm" ++ add_bittest(djpeg 420m-ifast-ari "-fast;-skip;1,20;-ppm" + testout_420m_ifast_ari.ppm ${TESTIMAGES}/testimgari.jpg + ${MD5_PPM_420M_IFAST_ARI}) + +@@ -1266,6 +1266,11 @@ endforeach() + add_custom_target(testclean COMMAND ${CMAKE_COMMAND} -P + ${CMAKE_CURRENT_SOURCE_DIR}/cmakescripts/testclean.cmake) + ++configure_file(croptest.in croptest @ONLY) ++add_custom_target(croptest ++ COMMAND echo croptest ++ COMMAND ${BASH} ${CMAKE_CURRENT_BINARY_DIR}/croptest) ++ + if(WITH_TURBOJPEG) + configure_file(tjbenchtest.in tjbenchtest @ONLY) + configure_file(tjexampletest.in tjexampletest @ONLY) +diff --git a/ChangeLog.md b/ChangeLog.md +index 19d18fa..4562eff 100644 +--- a/ChangeLog.md ++++ b/ChangeLog.md +@@ -54,11 +54,16 @@ a 16-bit binary PGM file into an RGB image buffer. + generated when using the `tjLoadImage()` function to load a 16-bit binary PPM + file into an extended RGB image buffer. + +-2. Fixed segfaults or "Corrupt JPEG data: premature end of data segment" errors +-in `jpeg_skip_scanlines()` that occurred when decompressing 4:2:2 or 4:2:0 JPEG +-images using the merged (non-fancy) upsampling algorithms (that is, when +-setting `cinfo.do_fancy_upsampling` to `FALSE`.) 2.0.0[6] was a similar fix, +-but it did not cover all cases. ++2. Fixed or worked around multiple issues with `jpeg_skip_scanlines()`: ++ ++ - Fixed segfaults or "Corrupt JPEG data: premature end of data segment" ++errors in `jpeg_skip_scanlines()` that occurred when decompressing 4:2:2 or ++4:2:0 JPEG images using merged (non-fancy) upsampling/color conversion (that ++is, when setting `cinfo.do_fancy_upsampling` to `FALSE`.) 2.0.0[6] was a ++similar fix, but it did not cover all cases. ++ - `jpeg_skip_scanlines()` now throws an error if two-pass color ++quantization is enabled. Two-pass color quantization never worked properly ++with `jpeg_skip_scanlines()`, and the issues could not readily be fixed. + + + 2.0.3 +diff --git a/croptest.in b/croptest.in +new file mode 100755 +index 0000000..7e3c293 +--- /dev/null ++++ b/croptest.in +@@ -0,0 +1,95 @@ ++#!/bin/bash ++ ++set -u ++set -e ++trap onexit INT ++trap onexit TERM ++trap onexit EXIT ++ ++onexit() ++{ ++ if [ -d $OUTDIR ]; then ++ rm -rf $OUTDIR ++ fi ++} ++ ++runme() ++{ ++ echo \*\*\* $* ++ $* ++} ++ ++IMAGE=vgl_6548_0026a.bmp ++WIDTH=128 ++HEIGHT=95 ++IMGDIR=@CMAKE_CURRENT_SOURCE_DIR@/testimages ++OUTDIR=`mktemp -d /tmp/__croptest_output.XXXXXX` ++EXEDIR=@CMAKE_CURRENT_BINARY_DIR@ ++ ++if [ -d $OUTDIR ]; then ++ rm -rf $OUTDIR ++fi ++mkdir -p $OUTDIR ++ ++exec >$EXEDIR/croptest.log ++ ++echo "============================================================" ++echo "$IMAGE ($WIDTH x $HEIGHT)" ++echo "============================================================" ++echo ++ ++for PROGARG in "" -progressive; do ++ ++ cp $IMGDIR/$IMAGE $OUTDIR ++ basename=`basename $IMAGE .bmp` ++ echo "------------------------------------------------------------" ++ echo "Generating test images" ++ echo "------------------------------------------------------------" ++ echo ++ runme $EXEDIR/cjpeg $PROGARG -grayscale -outfile $OUTDIR/${basename}_GRAY.jpg $IMGDIR/${basename}.bmp ++ runme $EXEDIR/cjpeg $PROGARG -sample 2x2 -outfile $OUTDIR/${basename}_420.jpg $IMGDIR/${basename}.bmp ++ runme $EXEDIR/cjpeg $PROGARG -sample 2x1 -outfile $OUTDIR/${basename}_422.jpg $IMGDIR/${basename}.bmp ++ runme $EXEDIR/cjpeg $PROGARG -sample 1x2 -outfile $OUTDIR/${basename}_440.jpg $IMGDIR/${basename}.bmp ++ runme $EXEDIR/cjpeg $PROGARG -sample 1x1 -outfile $OUTDIR/${basename}_444.jpg $IMGDIR/${basename}.bmp ++ echo ++ ++ for NSARG in "" -nosmooth; do ++ ++ for COLORSARG in "" "-colors 256 -dither none -onepass"; do ++ ++ for Y in {0..16}; do ++ ++ for H in {1..16}; do ++ ++ X=$(( (Y*16)%128 )) ++ W=$(( WIDTH-X-7 )) ++ if [ $Y -le 15 ]; then ++ CROPSPEC="${W}x${H}+${X}+${Y}" ++ else ++ Y2=$(( HEIGHT-H )); ++ CROPSPEC="${W}x${H}+${X}+${Y2}" ++ fi ++ ++ echo "------------------------------------------------------------" ++ echo $PROGARG $NSARG $COLORSARG -crop $CROPSPEC ++ echo "------------------------------------------------------------" ++ echo ++ for samp in GRAY 420 422 440 444; do ++ $EXEDIR/djpeg $NSARG $COLORSARG -rgb -outfile $OUTDIR/${basename}_${samp}_full.ppm $OUTDIR/${basename}_${samp}.jpg ++ convert -crop $CROPSPEC $OUTDIR/${basename}_${samp}_full.ppm $OUTDIR/${basename}_${samp}_ref.ppm ++ runme $EXEDIR/djpeg $NSARG $COLORSARG -crop $CROPSPEC -rgb -outfile $OUTDIR/${basename}_${samp}.ppm $OUTDIR/${basename}_${samp}.jpg ++ runme cmp $OUTDIR/${basename}_${samp}.ppm $OUTDIR/${basename}_${samp}_ref.ppm ++ done ++ echo ++ ++ done ++ ++ done ++ ++ done ++ ++ done ++ ++done ++ ++echo SUCCESS! +diff --git a/jdapistd.c b/jdapistd.c +index 91da642..c502909 100644 +--- a/jdapistd.c ++++ b/jdapistd.c +@@ -306,16 +306,6 @@ noop_quantize(j_decompress_ptr cinfo, JSAMPARRAY input_buf, + } + + +-/* Dummy postprocessing function used by jpeg_skip_scanlines() */ +-LOCAL(void) +-noop_post_process (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, +- JDIMENSION *in_row_group_ctr, +- JDIMENSION in_row_groups_avail, JSAMPARRAY output_buf, +- JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail) +-{ +-} +- +- + /* + * In some cases, it is best to call jpeg_read_scanlines() and discard the + * output, rather than skipping the scanlines, because this allows us to +@@ -329,16 +319,12 @@ read_and_discard_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines) + { + JDIMENSION n; + my_master_ptr master = (my_master_ptr)cinfo->master; ++ JSAMPARRAY scanlines = NULL; + void (*color_convert) (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, + JDIMENSION input_row, JSAMPARRAY output_buf, + int num_rows) = NULL; + void (*color_quantize) (j_decompress_ptr cinfo, JSAMPARRAY input_buf, + JSAMPARRAY output_buf, int num_rows) = NULL; +- void (*post_process_data) (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, +- JDIMENSION *in_row_group_ctr, +- JDIMENSION in_row_groups_avail, +- JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, +- JDIMENSION out_rows_avail) = NULL; + + if (cinfo->cconvert && cinfo->cconvert->color_convert) { + color_convert = cinfo->cconvert->color_convert; +@@ -350,23 +336,19 @@ read_and_discard_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines) + cinfo->cquantize->color_quantize = noop_quantize; + } + +- if (master->using_merged_upsample && cinfo->post && +- cinfo->post->post_process_data) { +- post_process_data = cinfo->post->post_process_data; +- cinfo->post->post_process_data = noop_post_process; ++ if (master->using_merged_upsample && cinfo->max_v_samp_factor == 2) { ++ my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample; ++ scanlines = &upsample->spare_row; + } + + for (n = 0; n < num_lines; n++) +- jpeg_read_scanlines(cinfo, NULL, 1); ++ jpeg_read_scanlines(cinfo, scanlines, 1); + + if (color_convert) + cinfo->cconvert->color_convert = color_convert; + + if (color_quantize) + cinfo->cquantize->color_quantize = color_quantize; +- +- if (post_process_data) +- cinfo->post->post_process_data = post_process_data; + } + + +@@ -380,6 +362,12 @@ increment_simple_rowgroup_ctr(j_decompress_ptr cinfo, JDIMENSION rows) + { + JDIMENSION rows_left; + my_main_ptr main_ptr = (my_main_ptr)cinfo->main; ++ my_master_ptr master = (my_master_ptr)cinfo->master; ++ ++ if (master->using_merged_upsample && cinfo->max_v_samp_factor == 2) { ++ read_and_discard_scanlines(cinfo, rows); ++ return; ++ } + + /* Increment the counter to the next row group after the skipped rows. */ + main_ptr->rowgroup_ctr += rows / cinfo->max_v_samp_factor; +@@ -410,11 +398,16 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines) + my_main_ptr main_ptr = (my_main_ptr)cinfo->main; + my_coef_ptr coef = (my_coef_ptr)cinfo->coef; + my_master_ptr master = (my_master_ptr)cinfo->master; ++ my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample; + JDIMENSION i, x; + int y; + JDIMENSION lines_per_iMCU_row, lines_left_in_iMCU_row, lines_after_iMCU_row; + JDIMENSION lines_to_skip, lines_to_read; + ++ /* Two-pass color quantization is not supported. */ ++ if (cinfo->quantize_colors && cinfo->two_pass_quantize) ++ ERREXIT(cinfo, JERR_NOTIMPL); ++ + if (cinfo->global_state != DSTATE_SCANNING) + ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); + +@@ -472,13 +465,7 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines) + main_ptr->buffer_full = FALSE; + main_ptr->rowgroup_ctr = 0; + main_ptr->context_state = CTX_PREPARE_FOR_IMCU; +- if (master->using_merged_upsample) { +- my_merged_upsample_ptr upsample = +- (my_merged_upsample_ptr)cinfo->upsample; +- upsample->spare_full = FALSE; +- upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline; +- } else { +- my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample; ++ if (!master->using_merged_upsample) { + upsample->next_row_out = cinfo->max_v_samp_factor; + upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline; + } +@@ -493,13 +480,7 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines) + cinfo->output_scanline += lines_left_in_iMCU_row; + main_ptr->buffer_full = FALSE; + main_ptr->rowgroup_ctr = 0; +- if (master->using_merged_upsample) { +- my_merged_upsample_ptr upsample = +- (my_merged_upsample_ptr)cinfo->upsample; +- upsample->spare_full = FALSE; +- upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline; +- } else { +- my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample; ++ if (!master->using_merged_upsample) { + upsample->next_row_out = cinfo->max_v_samp_factor; + upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline; + } +@@ -537,14 +518,8 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines) + cinfo->output_iMCU_row += lines_to_skip / lines_per_iMCU_row; + increment_simple_rowgroup_ctr(cinfo, lines_to_read); + } +- if (master->using_merged_upsample) { +- my_merged_upsample_ptr upsample = +- (my_merged_upsample_ptr)cinfo->upsample; +- upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline; +- } else { +- my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample; ++ if (!master->using_merged_upsample) + upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline; +- } + return num_lines; + } + +@@ -585,13 +560,8 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines) + * bit odd, since "rows_to_go" seems to be redundantly keeping track of + * output_scanline. + */ +- if (master->using_merged_upsample) { +- my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample; ++ if (!master->using_merged_upsample) + upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline; +- } else { +- my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample; +- upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline; +- } + + /* Always skip the requested number of lines. */ + return num_lines; +diff --git a/libjpeg.txt b/libjpeg.txt +index c50cf90..c233ecb 100644 +--- a/libjpeg.txt ++++ b/libjpeg.txt +@@ -3,7 +3,7 @@ USING THE IJG JPEG LIBRARY + This file was part of the Independent JPEG Group's software: + Copyright (C) 1994-2013, Thomas G. Lane, Guido Vollbeding. + libjpeg-turbo Modifications: +-Copyright (C) 2010, 2014-2018, D. R. Commander. ++Copyright (C) 2010, 2014-2018, 2020, D. R. Commander. + Copyright (C) 2015, Google, Inc. + For conditions of distribution and use, see the accompanying README.ijg file. + +@@ -750,7 +750,9 @@ multiple rows in the JPEG image. + + Suspending data sources are not supported by this function. Calling + jpeg_skip_scanlines() with a suspending data source will result in undefined +-behavior. ++behavior. Two-pass color quantization is also not supported by this function. ++Calling jpeg_skip_scanlines() with two-pass color quantization enabled will ++result in an error. + + jpeg_skip_scanlines() will not allow skipping past the bottom of the image. If + the value of num_lines is large enough to skip past the bottom of the image, +-- +2.25.1 + |