php:php-fuzz-mbstring: Heap-buffer-overflow in match_at

2019-10-03T20:00:03
ID OSSFUZZ-17971
Type ossfuzz
Reporter Google
Modified 2019-11-04T16:37:25

Description

Detailed Report: https://oss-fuzz.com/testcase?key=5192679935180800

Project: php Fuzzing Engine: afl Fuzz Target: php-fuzz-mbstring Job Type: afl_asan_php Platform Id: linux

Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x60200000e6b7 Crash State: match_at search_in_range onig_search_with_param

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_php&range=201909290400:201909300357

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5192679935180800

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally. When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers.

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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.