imagemagick/ping_ept2_fuzzer: Stack-buffer-overflow in GetNextUTFCode

2019-07-18T14:50:00
ID OSSFUZZ-15952
Type ossfuzz
Reporter Google
Modified 2019-08-18T15:26:29

Description

Project: https://github.com/imagemagick/imagemagick.git

Detailed report: https://oss-fuzz.com/testcase?key=5695814195740672

Project: imagemagick Fuzzer: libFuzzer_imagemagick_ping_ept2_fuzzer Fuzz target binary: ping_ept2_fuzzer Job Type: libfuzzer_asan_imagemagick Platform Id: linux

Crash Type: Stack-buffer-overflow READ 1 Crash Address: 0x7fff2eec2ff8 Crash State: GetNextUTFCode GetUTFCode GlobExpression

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_imagemagick&range=201907120249:201907130247

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5695814195740672

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.