gnutls:gnutls_pkcs12_key_parser_fuzzer: Global-buffer-overflow in _nettle_sec_tabselect

2020-01-29T09:34:35
ID OSSFUZZ-20406
Type ossfuzz
Reporter Google
Modified 2020-03-02T19:58:58

Description

Project: https://gitlab.com/gnutls/gnutls.git

Detailed Report: https://oss-fuzz.com/testcase?key=5143428189126656

Project: gnutls Fuzzing Engine: libFuzzer Fuzz Target: gnutls_pkcs12_key_parser_fuzzer Job Type: libfuzzer_asan_gnutls Platform Id: linux

Crash Type: Global-buffer-overflow READ 8 Crash Address: 0x0000009672e0 Crash State: _nettle_sec_tabselect _nettle_ecc_mul_g nettle_ecc_point_mul_g

Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_gnutls&range=202001280411:202001290415

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5143428189126656

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.