CVE-2023-38403 – iperf3: memory allocation hazard and crash

https://notcve.org/view.php?id=CVE-2023-38403

17 Jul 2023 — iperf3 before 3.14 allows peers to cause an integer overflow and heap corruption via a crafted length field. An integer overflow flaw was found in the way iperf3 dynamically allocates memory buffers for JSON-formatted messages. A remote attacker could send a specially crafted sequence of bytes on the iperf3 control channel with a specified JSON message length of 0xffffffff to trigger an integer overflow leading the receiving process to abort due to heap corruption. This flaw allows an attacker to use a mali... • http://seclists.org/fulldisclosure/2023/Oct/24 • CWE-190: Integer Overflow or Wraparound •