CVE-2019-5177
Quick assessment
Affected
Wago WAGO PFC200
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.
WAGO PFC 200是德国WAGO公司的一款可编程逻辑控制器（PLC）。 使用03.02.02(14)版本固件的WAGO PFC 200中的iocheckd服务的I/O-Check功能存在缓冲区错误漏洞。攻击者可借助特制的XML缓存文件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-2019-5177
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.02(14). The destination buffer sp+0x440 is overflowed with the call to sprintf() for any domainname values that are greater than 1024-len(‘/etc/config-tools/edit_dns_server domain-name=‘) in length. A domainname value of length 0x3fa will cause the service to crash.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WAGO PFC 200 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAGO PFC 200是德国WAGO公司的一款可编程逻辑控制器（PLC）。 使用03.02.02(14)版本固件的WAGO PFC 200中的iocheckd服务的I/O-Check功能存在缓冲区错误漏洞。攻击者可借助特制的XML缓存文件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 |
|---|---|---|---|---|
| Wago | WAGO PFC200 | Firmware version 03.02.02(14) | - |
|
II. Public POCs for CVE-2019-5177
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2019-5177 (1)
-
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0963 x_refsource_MISC
Same Patch Batch · Wago · 2020-03-11 · 14 CVEs total
| CVE-2019-5181 | WAGO PFC 200 缓冲区错误漏洞 | |
| CVE-2019-5180 | WAGO PFC 200 缓冲区错误漏洞 | |
| CVE-2019-5179 | WAGO PFC 200 缓冲区错误漏洞 | |
| CVE-2019-5178 | WAGO PFC 200 缓冲区错误漏洞 | |
| CVE-2019-5176 | WAGO PFC 200 缓冲区错误漏洞 | |
| CVE-2019-5171 | WAGO PFC 200 操作系统命令注入漏洞 | |
| CVE-2019-5170 | WAGO PFC 200 操作系统命令注入漏洞 | |
| CVE-2019-5169 | WAGO PFC 200 操作系统命令注入漏洞 | |
| CVE-2019-5174 | WAGO PFC 200 操作系统命令注入漏洞 | |
| CVE-2019-5175 | WAGO PFC 200 操作系统命令注入漏洞 | |
| CVE-2019-5172 | WAGO PFC 200 操作系统命令注入漏洞 | |
| CVE-2019-5173 | WAGO PFC 200 操作系统命令注入漏洞 | |
| CVE-2019-5182 | WAGO PFC 200 缓冲区错误漏洞 |
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V. Comments for CVE-2019-5177
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