kimageformats/kimgio_fuzzer: Heap-use-after-free in KArchiveDirectory::addEntry

2019-04-09T01:24:41
ID OSSFUZZ-14141
Type ossfuzz
Reporter Google
Modified 2019-05-11T15:26:00

Description

Project: git://anongit.kde.org/kimageformats

Detailed report: https://oss-fuzz.com/testcase?key=5645496628019200

Project: kimageformats Fuzzer: afl_kimageformats_kimgio_fuzzer Fuzz target binary: kimgio_fuzzer Job Type: afl_asan_kimageformats Platform Id: linux

Crash Type: Heap-use-after-free READ 8 Crash Address: 0x604000005770 Crash State: KArchiveDirectory::addEntry KArchive::findOrCreate KArchive::findOrCreate

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_kimageformats&range=201903310244:201903312027

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5645496628019200

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.

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.

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