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A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.

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堆缓冲区溢出

Advantech WebAccess 缓冲区错误漏洞

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 8.2_20170817之前的版本中存在基于堆的缓冲区溢出漏洞，该漏洞源于程序没有充分的验证用户提交数据的长度。攻击者可利用该漏洞在进程的上下文中执行任意代码。

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