Bug: Issue 60274 in oss-fuzz: assimp:assimp_fuzzer: Heap-buffer-overflow in Assimp::MD5::MD5Parser::ParseHeader

[kimkulling]

Status: New
Owner: ----
CC: kim.k...@googlemail.com
Labels: Restrict-View-Commit ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Security_Severity-Medium Proj-assimp Reported-2023-07-01
Type: Bug-Security

New issue 60274 by ClusterFuzz-External: assimp:assimp_fuzzer: Heap-buffer-overflow in Assimp::MD5::MD5Parser::ParseHeader
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60274

Detailed Report: https://oss-fuzz.com/testcase?key=4790975281889280

Project: assimp
Fuzzing Engine: libFuzzer
Fuzz Target: assimp_fuzzer
Job Type: libfuzzer_asan_assimp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x6020000001c0
Crash State:
Assimp::MD5::MD5Parser::ParseHeader
Assimp::MD5::MD5Parser::MD5Parser
Assimp::MD5Importer::LoadMD5MeshFile

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_assimp&range=202109150603:202109160613

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4790975281889280

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
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This bug is subject to a 90 day disclosure deadline. If 90 days elapse
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