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Advisories

libmt32emu before 2.8.4 Heap Buffer Overflow via MidiStreamParserImpl::parseSysex

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Severity
high
Date
Affecting

  • libmt32emu >= 0, < 2.8.4

CWE
  • CWE-122 Heap-based Buffer Overflow
CVSS
8.5
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
HaiND from the Post and Telecommunication Institute of Technology
Description
libmt32emu before 2.8.4 contains a heap buffer overflow vulnerability in MidiStreamParserImpl::parseSysex that allows attackers to write past a heap allocation by supplying oversized unterminated SysEx messages. Attackers can feed more than 32768 SysEx data bytes through the mt32emu_parse_stream API via MIDI files, ports, or sequencer clients to corrupt heap memory and crash the application.

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