ffmpeg/ffmpeg_AV_CODEC_ID_TIFF_fuzzer: Heap-buffer-overflow in ff_lzw_decode

Type ossfuzz
Reporter Google
Modified 2019-04-24T15:30:41


Project: https://git.ffmpeg.org/ffmpeg.git

Detailed report: https://oss-fuzz.com/testcase?key=5754570929602560

Project: ffmpeg Fuzzer: afl_ffmpeg_AV_CODEC_ID_TIFF_fuzzer Fuzz target binary: ffmpeg_AV_CODEC_ID_TIFF_fuzzer Job Type: afl_asan_ffmpeg Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x612000000a0f Crash State: ff_lzw_decode tiff_unpack_strip decode_frame

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_ffmpeg&range=201903200148:201903210149

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5754570929602560

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for instructions to reproduce this bug locally.

This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.

When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers.

If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues.