libreoffice:ppmfuzzer: Heap-buffer-overflow in PBMReader::ImplReadBody

2020-01-17T14:47:34
ID OSSFUZZ-20178
Type ossfuzz
Reporter Google
Modified 2020-02-16T18:19:26

Description

Project: git://anongit.freedesktop.org/libreoffice/core

Detailed Report: https://oss-fuzz.com/testcase?key=4851464895987712

Project: libreoffice Fuzzing Engine: afl Fuzz Target: ppmfuzzer Job Type: afl_asan_libreoffice Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x61900020d69c Crash State: PBMReader::ImplReadBody PBMReader::ReadPBM ipbGraphicImport

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_libreoffice&range=202001150300:202001160436

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4851464895987712

Issue filed automatically.

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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.