binutils:fuzz_bfd: Heap-buffer-overflow in bfd_getb32

2019-12-24T09:02:31
ID OSSFUZZ-19684
Type ossfuzz
Reporter Google
Modified 2020-01-26T18:18:53

Description

Detailed Report: https://oss-fuzz.com/testcase?key=5766948239704064

Project: binutils Fuzzing Engine: afl Fuzz Target: fuzz_bfd Job Type: afl_asan_binutils Platform Id: linux

Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x602000000351 Crash State: bfd_getb32 som_bfd_count_ar_symbols som_slurp_armap

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_binutils&range=201912170318:201912190318

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5766948239704064

Issue filed automatically.

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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.