Vulnerability · Published Sep 23, 2022 · Assigned by icscert

CVE-2022-2970MZ Automation libIEC61850 Stack-Based Buffer Overflow

Critical 10.0

In plain English

A critical-severity stack buffer overflow in libIEC61850 from MZ Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)1.5%top 26.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) does not sanitize input before memcpy is used, which could allow an attacker to crash the device or remotely execute arbitrary code.

Affected products (as reported)

VendorProductVersions
MZ Automation libIEC61850 All – through 1.4Version 1.5 – before Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References