file: Heap-buffer-overflow in mprint

2017-05-12T01:51:50
ID OSSFUZZ-1523
Type ossfuzz
Reporter Google
Modified 2017-06-18T13:04:59

Description

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

Detailed report: https://oss-fuzz.com/testcase?key=5775967945490432

Project: file Fuzzer: afl_file_magic_fuzzer Fuzz target binary: magic_fuzzer Job Type: afl_asan_file Platform Id: linux

Crash Type: Heap-buffer-overflow READ 3 Crash Address: 0x604000000180 Crash State: mprint match file_softmagic

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_file&range=201705101649:201705111647

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5775967945490432

Issue filed automatically.

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

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.