file: Heap-buffer-overflow in mcopy

2016-11-09T23:58:25
ID OSSFUZZ-153
Type ossfuzz
Reporter Google
Modified 2017-02-24T03:31:29

Description

Project: https://github.com/file/file.git

Detailed report: https://clusterfuzz-external.appspot.com/testcase?key=6349141718335488

Target: file Fuzzer: libFuzzer_file_magic_fuzzer Fuzzer binary: magic_fuzzer Job Type: libfuzzer_asan_file Platform Id: linux

Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x612000000745 Crash State: mcopy mget match

Recommended Security Severity: Medium

Regressed: https://clusterfuzz-external.appspot.com/revisions?job=libfuzzer_asan_file&range=201611072022:201611072102

Minimized Testcase (0.25 Kb): https://clusterfuzz-external.appspot.com/download/AMIfv97KoFxZq2DaS8oBI-M6wfL9eMX6dEays1R4KDcv0RgE4mmLmOZn3RxC9zfA0e6qM3kGhjVRqTBP0q7sCAcxRxvIhGon2YZDzmm6-AhJty262sleEzhFyx6cPRcp6CUrsQ_csbWbRhLdIqhIhELJCsYibHv_zthZxOVEh92i0drmPtyxxds?testcase_id=6349141718335488

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.