readstat/fuzz_format_xport: Heap-buffer-overflow in xport_construct_format

2019-01-19T02:05:38
ID OSSFUZZ-12569
Type ossfuzz
Reporter Google
Modified 2019-02-21T16:24:38

Description

Project: https://github.com/WizardMac/ReadStat.git

Detailed report: https://oss-fuzz.com/testcase?key=5175181067157504

Project: readstat Fuzzer: afl_readstat_fuzz_format_xport Fuzz target binary: fuzz_format_xport Job Type: afl_asan_readstat Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE {*} Crash Address: 0x61d0000008f8 Crash State: xport_construct_format xport_read_labels_v9 xport_read_variables

Sanitizer: address (ASAN)

Recommended Security Severity: High

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5175181067157504

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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