yara/dex_fuzzer: Crash in yr_object_set_string

Type ossfuzz
Reporter Google
Modified 2018-03-16T15:22:29


Project: https://github.com/VirusTotal/yara.git

Detailed report: https://oss-fuzz.com/testcase?key=4773665418772480

Project: yara Fuzzer: libFuzzer_yara_dex_fuzzer Fuzz target binary: dex_fuzzer Job Type: libfuzzer_ubsan_yara Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x0000ef8d0fc2 Crash State: yr_object_set_string load_encoded_method dex_parse

Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_yara&range=201802080637:201802090628

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4773665418772480

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

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.

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.

If you have questions for the OSS-Fuzz team, please file an issue at https://github.com/google/oss-fuzz/issues.