CVE-2020-12497— Phoenix Contact Automation Worx <= 1.87: stack-based overflow
Quick assessment
Affected
Phoenix Contact Automation Worx
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Phoenix Contact PC Worx和Phoenix Contact PC Worx Express都是德国菲尼克斯电气（Phoenix Contact）公司的一套用于PLC（可编程逻辑控制器）的编程软件。 Phoenix Contact PC Worx和PC Worx Express 1.87及之前版本中的PLCopen XML文件解析存在缓冲区错误漏洞，该漏洞源于程序未充分验证输入数据。远程攻击者可利用该漏洞执行代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-12497
Vulnerability Information
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Vulnerability Title
Phoenix Contact Automation Worx <= 1.87: stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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
Phoenix Contact PC Worx和Worx Express 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Phoenix Contact PC Worx和Phoenix Contact PC Worx Express都是德国菲尼克斯电气（Phoenix Contact）公司的一套用于PLC（可编程逻辑控制器）的编程软件。 Phoenix Contact PC Worx和PC Worx Express 1.87及之前版本中的PLCopen XML文件解析存在缓冲区错误漏洞，该漏洞源于程序未充分验证输入数据。远程攻击者可利用该漏洞执行代码。
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 |
|---|---|---|---|---|
| Phoenix Contact | Automation Worx | unspecified ~ 1.87 | - |
|
| Phoenix Contact | Automation Worx Express | unspecified ~ 1.87 | - |
|
II. Public POCs for CVE-2020-12497
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-12497 (2)
-
https://www.zerodayinitiative.com/advisories/ZDI-21-398/ x_refsource_MISC
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https://www.zerodayinitiative.com/advisories/ZDI-20-825/ x_refsource_MISC
Other References for CVE-2020-12497 (1)
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https://cert.vde.com/de-de/advisories/vde-2020-023 x_refsource_CONFIRM
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V. Comments for CVE-2020-12497
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