libical/libical_fuzzer: Heap-use-after-free in icalparameter_new_from_value_string

2019-05-13T21:11:49
ID OSSFUZZ-14737
Type ossfuzz
Reporter Google
Modified 2019-06-14T15:25:37

Description

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

Detailed report: https://oss-fuzz.com/testcase?key=5753503722504192

Project: libical Fuzzer: libFuzzer_libical_fuzzer Fuzz target binary: libical_fuzzer Job Type: libfuzzer_asan_libical Platform Id: linux

Crash Type: Heap-use-after-free READ 2 Crash Address: 0x60d000000a40 Crash State: icalparameter_new_from_value_string icalparser_add_line icalparser_parse

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_libical&range=201905110254:201905131646

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5753503722504192

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.

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