CVE-2020-36400 Information

Description

ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read a different vulnerability than CVE-2021-20235.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8