AIS-catcher Integer Underflow in MQTT Packet Parsing leading to Heap Buffer Overflow

AIS-catcher is a multi-platform AIS receiver. Prior to version 0.64, an integer underflow vulnerability exists in the MQTT parsing logic of AIS-catcher. This vulnerability allows an attacker to trigger a massive Heap Buffer Overflow by sending a malformed MQTT packet with a manipulated Topic Length field. This leads to an immediate Denial of Service (DoS) and, when used as a library, severe Memory Corruption that can be leveraged for Remote Code Execution (RCE). This issue has been patched in version 0.64.

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堆缓冲区溢出

AIS-catcher 数字错误漏洞

AIS-catcher是Jasper个人开发者的一个AIS接收器。 AIS-catcher 0.64之前版本存在数字错误漏洞，该漏洞源于MQTT解析逻辑存在整数下溢，可能导致拒绝服务和内存损坏。

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