gdal:gtiff_fuzzer: Heap-buffer-overflow in Fax4Decode

2020-09-22T11:00:47
ID OSSFUZZ-25849
Type ossfuzz
Reporter Google
Modified 2020-10-23T18:52:11

Description

Project: https://github.com/OSGeo/gdal.git

Detailed Report: https://oss-fuzz.com/testcase?key=6308121394544640

Project: gdal Fuzzing Engine: honggfuzz Fuzz Target: gtiff_fuzzer Job Type: honggfuzz_asan_gdal Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0x615000000c80 Crash State: Fax4Decode TIFFReadScanline GTiffSplitBitmapBand::IReadBlock

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=honggfuzz_asan_gdal&range=202003010316:202003020311

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6308121394544640

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.

If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues. Comments on individual Monorail issues are not monitored.

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.