notepad++堆缓冲区溢出漏洞CVE-2023-40031 分析与复现
Notepad++ 是一款知名的开源代码编辑器，运行系统为Windows，支持多种编程语言。近日，安全研究人员针对 Notepad++进行检查，发现了不少安全漏洞。其中评分为 7.8 分（CVSS3，总分10分）的堆缓冲区溢出漏洞CVE-2023-40031，属于高危漏洞。该漏洞位于Utf8_16_Read::convert函数中，进行UTF-16 到 UTF-8 转换时，错误计算转换后的UTF-8堆缓冲区的大小，导致该缓冲区之外的内存空间被覆盖，可能导致任意代码执行。
<=8.5.6
操作系统：Win7 sp1。 分析工具：IDA、WinDbg、OLLYDBG。
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