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CVE-2019-6539

Quick assessment

Affected
ICS-CERT WECON LeviStudioU
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.

WECON Technologies LeviStudioU是中国维控电子科技（WECON Technologies）公司的一套人机界面编程软件。 WECON LeviStudioU 1.8.56及之前版本中存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

AI Predicted 9.8 Difficulty: Easy EPSS 2.11% · P81

Possible ATT&CK Techniques 1 AI

T1204 · User Execution
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I. Basic Information for CVE-2019-6539

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Several heap-based buffer overflow vulnerabilities in WECON LeviStudioU version 1.8.56 and prior have been identified, which may allow arbitrary code execution. Mat Powell, Ziad Badawi, and Natnael Samson working with Trend Micro's Zero Day Initiative, reported these vulnerabilities to NCCIC.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
WECON Technologies LeviStudioU 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WECON Technologies LeviStudioU是中国维控电子科技（WECON Technologies）公司的一套人机界面编程软件。 WECON LeviStudioU 1.8.56及之前版本中存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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
ICS-CERT WECON LeviStudioU LeviStudioU Versions 1.8.56 and prior -

II. Public POCs for CVE-2019-6539

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III. Intelligence Information for CVE-2019-6539

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Vendor Advisories for CVE-2019-6539 (1)

Other References for CVE-2019-6539 (1)

Same Patch Batch · ICS-CERT · 2019-02-13 · 6 CVEs total

CVE-2018-19008 ABB CP400PB TextEditor 输入验证错误漏洞
CVE-2019-6543 AVEVA Group plc InduSoft Web Studio和InTouch Edge HMI 访问控制错误漏洞
CVE-2019-6545 AVEVA InTouch Edge HMI 安全漏洞
CVE-2019-6537 WECON Technologies LeviStudioU 缓冲区错误漏洞
CVE-2019-6541 WECON Technologies LeviStudioU 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: WECON LeviStudioU
Same vendor: ICS-CERT
Same weakness: CWE-122

V. Comments for CVE-2019-6539

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