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CVE-2022-2972— MZ Automation libIEC61850 Stack-Based Buffer Overflow

Quick assessment

Affected
MZ Automation libIEC61850
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mz Automation Libiec61850是Mz Automation公司的一个IEC 61850协议的开源库。 Mz Automation Libiec61850 存在安全漏洞，该漏洞源于其易受到基于栈的缓冲区溢出的攻击，这可能使攻击者使设备崩溃或远程执行任意代码。

CVSS 10.0 · Critical EPSS 1.55% · P74

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-2972

Vulnerability Information
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Vulnerability Title
MZ Automation libIEC61850 Stack-Based Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) is vulnerable to a stack-based buffer overflow, which could allow an attacker to crash the device or remotely execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Mz Automation Libiec61850 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mz Automation Libiec61850是Mz Automation公司的一个IEC 61850协议的开源库。 Mz Automation Libiec61850 存在安全漏洞，该漏洞源于其易受到基于栈的缓冲区溢出的攻击，这可能使攻击者使设备崩溃或远程执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MZ Automation libIEC61850 All ~ 1.4 -

II. Public POCs for CVE-2022-2972

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III. Intelligence Information for CVE-2022-2972

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Vendor Advisories for CVE-2022-2972 (1)

Same Patch Batch · MZ Automation · 2022-09-23 · 4 CVEs total

CVE-2022-2970 10.0 CRITICAL MZ Automation libIEC61850 Stack-Based Buffer Overflow
CVE-2022-2971 8.6 HIGH MZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')
CVE-2022-2973 8.6 HIGH MZ Automation libIEC61850 NULL Pointer Dereference

IV. Related Vulnerabilities

Same product: libIEC61850
Same vendor: MZ Automation
Same weakness: CWE-121

V. Comments for CVE-2022-2972

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