icu/collator_compare_fuzzer: Heap-buffer-overflow in collator_compare_fuzzer.cpp

2019-06-26T08:36:46
ID OSSFUZZ-15499
Type ossfuzz
Reporter Google
Modified 2019-07-28T15:25:57

Description

Project: https://github.com/unicode-org/icu.git

Detailed report: https://oss-fuzz.com/testcase?key=5703701391474688

Project: icu Fuzzer: libFuzzer_icu_collator_compare_fuzzer Fuzz target binary: collator_compare_fuzzer Job Type: libfuzzer_asan_icu Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 3 Crash Address: 0x603000000172 Crash State: collator_compare_fuzzer.cpp

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_icu&range=201906250235:201906260234

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5703701391474688

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.