libhtp:fuzz_htp: Heap-buffer-overflow in LzmaDec_DecodeToDic

2019-09-15T14:02:49
ID OSSFUZZ-17198
Type ossfuzz
Reporter Google
Modified 2019-10-18T15:38:58

Description

Project: https://github.com/OISF/libhtp.git

Detailed Report: https://oss-fuzz.com/testcase?key=5659352148475904

Project: libhtp Fuzzing Engine: afl Fuzz Target: fuzz_htp Job Type: afl_asan_libhtp Platform Id: linux

Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x621000003a6d Crash State: LzmaDec_DecodeToDic LzmaDec_DecodeToBuf htp_gzip_decompressor_decompress

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_libhtp&range=201909140220:201909150222

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5659352148475904

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing 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.