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Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer overflow overwriting arbitrary data. An attacker should send an authenticated HTTP request to trigger this vulnerability. In cmd s_schd, at 0x9d01a18c, the value for the `off` key is copied using `strcpy` to the buffer at `$sp+0x270`.This buffer is 16 bytes large, sending anything longer will cause a buffer overflow.

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栈缓冲区溢出

INSTEON Hub 安全漏洞

Insteon INSTEON Hub是美国Insteon公司的一款INSTEON中央控制器产品。该产品可远程控制家中的灯泡、墙壁开关、空调等。 使用1012版本固件的Insteon Hub中的PubNub消息处理程序（用于‘cc’通道）存在安全漏洞。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。

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