matio:matio_fuzzer: Heap-buffer-overflow in ReadInt32DataDouble

2019-08-31T09:23:06
ID OSSFUZZ-16878
Type ossfuzz
Reporter Google
Modified 2020-02-26T15:24:30

Description

Detailed Report: https://oss-fuzz.com/testcase?key=5156965684084736

Project: matio Fuzzing Engine: libFuzzer Fuzz Target: matio_fuzzer Job Type: libfuzzer_asan_i386_matio Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0xf5b03bfc Crash State: ReadInt32DataDouble ReadInt32Data Mat_VarRead4

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_i386_matio&range=201908290221:201908300224

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5156965684084736

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing 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.