CVE-2021-33889 Information

Description

OpenThread wpantund through 2021-07-02 has a stack-based Buffer Overflow because of an inconsistency in the integer data type for metric_len.

CVSS Vector

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

Reference

https://github.com/openthread/wpantund/releases https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0019/FEYE-2021-0019.md https://github.com/openthread/wpantund/issues/502

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

6.8