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c-blosc2:decompress_fuzzer: Crash in blosc_d

2020-10-09T14:23:13

ID OSSFUZZ-26228
Type ossfuzz
Reporter Google
Modified 2020-11-15T19:54:27

Description

Project: https://github.com/Blosc/c-blosc2.git

Detailed Report: https://oss-fuzz.com/testcase?key=5736707137470464

Project: c-blosc2 Fuzzing Engine: libFuzzer Fuzz Target: decompress_fuzzer Job Type: libfuzzer_asan_i386_c-blosc2 Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x06170af5 Crash State: blosc_d do_job blosc_run_decompression_with_context

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Crash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_asan_i386_c-blosc2&revision=202010070625

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5736707137470464

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.

JSON Vulners Source

Initial Source

{"id": "OSSFUZZ-26228", "type": "ossfuzz", "bulletinFamily": "software", "title": "c-blosc2:decompress_fuzzer: Crash in blosc_d", "description": "Project:\nhttps://github.com/Blosc/c-blosc2.git\n\nDetailed Report: https://oss-fuzz.com/testcase?key=5736707137470464\n\nProject: c-blosc2\nFuzzing Engine: libFuzzer\nFuzz Target: decompress_fuzzer\nJob Type: libfuzzer_asan_i386_c-blosc2\nPlatform Id: linux\n\nCrash Type: UNKNOWN READ\nCrash Address: 0x06170af5\nCrash State:\n blosc_d\n do_job\n blosc_run_decompression_with_context\n \nSanitizer: address (ASAN)\n\nRecommended Security Severity: Medium\n\nCrash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_asan_i386_c-blosc2&revision=202010070625\n\nReproducer Testcase: https://oss-fuzz.com/download?testcase_id=5736707137470464\n\nIssue filed automatically.\n\nSee https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.\nWhen you fix this bug, please\n * mention the fix revision(s).\n * state whether the bug was a short-lived regression or an old bug in any stable releases.\n * add any other useful information.\nThis information can help downstream consumers.\n\nIf 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.\n\nThis bug is subject to a 90 day disclosure deadline. If 90 days elapse\nwithout an upstream patch, then the bug report will automatically\nbecome visible to the public.", "published": "2020-10-09T14:23:13", "modified": "2020-11-15T19:54:27", "cvss": {}, "href": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26228", "reporter": "Google", "references": [], "cvelist": [], "lastseen": "2020-11-15T20:05:54", "viewCount": 0, "enchantments": {"dependencies": {}, "score": {"value": -0.8, "vector": "NONE"}, "backreferences": {}, "exploitation": null, "vulnersScore": -0.8}, "ossfuzz": {"issue": 26228, "status": "Verified", "project": "c-blosc2", "ref": "https://oss-fuzz.com/revisions?job=libfuzzer_asan_i386_c-blosc2&range=202010150626:202010160615", "crashType": "UNKNOWN READ", "revisions": ["f82602a8557cc568b39b2e6472be4e5f9060483e:9f382674c3c80b0c53280540dd5f6670bc62fe41"], "project_repos": ["https://github.com/Blosc/c-blosc2.git"], "tags": ["2.0.0-beta", "2.0.0a"]}, "affectedSoftware": [{"name": "c-blosc2", "version": "2.0.0-beta", "operator": "eq"}, {"name": "c-blosc2", "version": "2.0.0a", "operator": "eq"}], "immutableFields": [], "cvss2": {}, "cvss3": {}, "_state": {"dependencies": 1645747953}}