Vulnerability Information
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Vulnerability Title
Advantech WebAccess Command Injection
Vulnerability Description
The BWOCXRUN.BwocxrunCtrl.1 control contains a method named “CreateProcess.” This method contains validation to ensure an attacker cannot run arbitrary command lines. After validation, the values supplied in the HTML are passed to the Windows CreateProcessA API. The validation can be bypassed allowing for running arbitrary command lines. The command line can specify running remote files (example: UNC command line). A function exists at offset 100019B0 of bwocxrun.ocx. Inside this function, there are 3 calls to strstr to check the contents of the user specified command line. If “\setup.exe,” “\bwvbprt.exe,” or “\bwvbprtl.exe” are contained in the command line (strstr returns nonzero value), the command line passes validation and is then passed to CreateProcessA.
CVSS Information
N/A
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Vulnerability Title
Advantech WebAccess‘CreateProcess’方法安全漏洞
Vulnerability Description
Advantech WebAccess是研华（Advantech）公司的一套基于浏览器架构的HMI/SCADA软件。该软件支持动态图形显示和实时数据控制，并提供远程控制和管理自动化设备的功能。 Advantech WebAccess 7.1及之前版本的bwocxrun.ocx文件的BWOCXRUN.BwocxrunCtrl.1 ActiveX控件中的‘CreateProcess’方法存在安全漏洞。远程攻击者可借助特制的参数利用该漏洞绕过既定的限制，执行任意命令。
CVSS Information
N/A
Vulnerability Type
N/A