wm4 [Tue, 3 Feb 2015 18:04:12 +0000 (19:04 +0100)]
avformat/mpc8: fix hang with fuzzed file
This can lead to an endless loop by seeking back a few bytes after each
attempted chunk read. Assuming negative sizes are always invalid, this
is easy to fix. Other code in this demuxer treats negative sizes as
invalid as well.
Fixes ticket #4262.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Gbp-Pq: Name CVE-2019-14442.patch
avcodec/hevc: Avoid only partly skiping duplicate first slices
Fixes: NULL pointer dereference and out of array access Fixes: 13871/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5746167087890432 Fixes: 13845/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5650370728034304
This also fixes the return code for explode mode
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2019-11338.patch
Fixes: loop.m3u
The default max iteration count of 1000 is arbitrary and ideas for a better solution are welcome
Found-by: Xiaohei and Wangchu from Alibaba Security Team
Previous version reviewed-by: Steven Liu <lingjiujianke@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
[sunweaver] Rebased against a libavformat/hls.c version that did not yet have AVOption support.
Initializing HLS_Context.max_reload statically with the value 1000.
avfilter/vf_transpose: Fix regression with packed pixel formats
Regression since: c6939f65a116b1ffed345d29d8621ee4ffb32235 Found-by: Paul B Mahol <onemda@gmail.com> Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2018-6392-2.patch
avfilter/vf_transpose: Fix regression with packed pixel formats
Regression since: c6939f65a116b1ffed345d29d8621ee4ffb32235 Found-by: Paul B Mahol <onemda@gmail.com> Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2018-6392-1.patch
avcodec/mjpegdec: Check number of components for JPEG-LS
Fixes out of array accesses Fixes: asan_heap-oob_1c1a4ea_1242_cov_2274415971_TESTcmyk.jpg Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Gbp-Pq: Name CVE-2015-1872.patch
Fixes out of array access Fixes: 452/fuzz-1-ffmpeg_VIDEO_AV_CODEC_ID_INTERPLAY_VIDEO_fuzzer Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2017-7865.patch
avcodec/utils: Add case for jv to avcodec_align_dimensions2()
Fixes out of array accesses Fixes: asan_heap-oob_12304aa_8_asan_heap-oob_4da4f3_300_intro.jv Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Gbp-Pq: Name CVE-2014-8542.patch
Fixes out of array access Fixes: 546/clusterfuzz-testcase-4809433909559296 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
[sunweaver] ported to libav in Debian jessie LTS (which only supports palette based transparency).
avformat/asfdec: Fix DoS in asf_build_simple_index()
Fixes: Missing EOF check in loop
No testcase
Found-by: Xiaohei and Wangchu from Alibaba Security Team Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
[sunweaver] - Backport to libav as found in Debian jessie LTS.
孙浩(晓黑) [Tue, 29 Aug 2017 21:59:21 +0000 (23:59 +0200)]
avformat/mxfdec: Fix Sign error in mxf_read_primer_pack()
Fixes: 20170829B.mxf
Co-Author: 张洪亮(望初)" <wangchu.zhl@alibaba-inc.com> Found-by: Xiaohei and Wangchu from Alibaba Security Team Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2017-14169.patch
avformat/rtmppkt: Check for packet size mismatches
Fixes out of array access
Found-by: Paul Cher <paulcher@icloud.com> Reviewed-by: Paul Cher <paulcher@icloud.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2016-10191.patch
avcodec/utils: Clear dimensions in ff_get_buffer() on failure
avcodec/utils: Clear dimensions in ff_get_buffer() on failure
Fixes out of array access Fixes: 482d8f2fd17c9f532b586458a33f267c/asan_heap-oob_4a52b6_7417_1d08d477736d66cdadd833d146bb8bae.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
[sunweaver] - manually adapted for Debian jessie's libav version which lacks the get_internal_buffer() symbol.
avcodec/jpeg2000dwt: Check ndeclevels before calling dwt_decode*()
avcodec/jpeg2000dwt: Check ndeclevels before calling dwt_decode*()
Fixes out of array access Fixes: 01859c9a9ac6cd60a008274123275574/asan_heap-oob_1dff571_8250_50d3d1611e294c3519fd1fa82198b69b.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2015-8662.patch
avcodec/h264_slice: Limit max_contexts when slice_context_count is initialized
avcodec/h264_slice: Limit max_contexts when slice_context_count is initialized
Fixes out of array access Fixes: 1430e9c43fae47a24c179c7c54f94918/signal_sigsegv_421427_2049_f2192b6829ab6e0eefcb035329c03c60.264 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2015-8661.patch
Fixes out of array access Fixes: 24d05e8b84676799c735c9e27d97895e/asan_heap-oob_1b70f6a_2955_7c3652a7f370f9f3ef40642bc2c99bb2.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
[sunweaver] Ported to libav 11.12 in Debian jessie LTS.
avcodec/mjpegdec: Check index in ljpeg_decode_yuv_scan() before using it
avcodec/mjpegdec: Check index in ljpeg_decode_yuv_scan() before using it
Fixes: 04715144ba237443010554be0d05343f/asan_heap-oob_1eafc76_1737_c685b48041a563461839e4e7ab97abb8.jpg
Fixes out of array access
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
[sunweaver] Re-based for libav 11.12 in Debian jessie LTS.
avcodec/rv34: Clear pointers in ff_rv34_decode_init_thread_copy()
avcodec/rv34: Clear pointers in ff_rv34_decode_init_thread_copy()
Avoids leaving stale pointers Fixes: signal_sigabrt_7ffff70eccc9_819_sabtriple.rm with memlimit 536870912 Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2015-6826.patch
avcodec/pthread_frame: clear priv_data, avoid stale pointer in error case
avcodec/pthread_frame: clear priv_data, avoid stale pointer in error case
Fixes: b4b47bc2b3fb7ca710bfffe5aa969e37_signal_sigabrt_7ffff70eccc9_744_nc_sample2.avi with memlimit of 4194304 Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2015-6825.patch
Fixes use of uninitialized memory Fixes: a96874b9466b6edc660a519c7ad47977_signal_sigsegv_7ffff713351a_744_nc_sample.avi with memlimit 2147483648 Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2015-6824.patch
avcodec/alac: Clear pointers in allocate_buffers()
avcodec/alac: Clear pointers in allocate_buffers()
Fixes: 06a4edb39ad8a9883175f9bd428334a2_signal_sigsegv_7ffff713351a_706_mov__alac__ALAC_6ch.mov Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2015-6823.patch
Fixes crash in 1288a2fe8e9ae6b00ca40e089d08ca65_signal_sigsegv_7ffff71426a7_354_accident.san with allocation limit 65536
Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Gbp-Pq: Name CVE-2015-6822.patch
avcodec/mpegvideo: Clear pointers in ff_mpv_common_init()
avcodec/mpegvideo: Clear pointers in ff_mpv_common_init()
This ensures that no stale pointers leak through on any path
Fixes: signal_sigsegv_c3097a_991_xtrem_e2_m64q15_a32sxx.3gp Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Gbp-Pq: Name CVE-2015-6821.patch
avcodec/aacsbr: check that the element type matches before applying SBR
avcodec/aacsbr: check that the element type matches before applying SBR
Fixes out of array access Fixes: signal_sigsegv_3670fc0_2818_cov_2307326154_moon.mux Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Gbp-Pq: Name CVE-2015-6820.patch
Fixes out of array access Fixes: asan_heap-oob_20a6c26_2690_cov_3434532168_mail.png Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
[sunweaver] - Port this commit to libav in Debian jessie.
* CVE-2019-14442: avformat/mpc8: fix hang with fuzzed file.
* CVE-2018-5766: lavc/avpacket: Fix undefined behaviour, do not pass a null
pointer to memcpy().
* CVE-2019-14372: wvdec: check for eof in wv_read_block_header().
* CVE-2017-9987: avcodec/mpegvideo_motion: Fix off by 1 error in MV bounds
checking.
* CVE-2018-11102:
- mov_probe: fix integer overflows.
- mov.c: Check for stsd + m1s tag indicating MOV-wrapped MPEG-PS, and force
continued probing if found.