Hancom Office Cell XLS File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

Hancom Office Cell XLS File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Cell. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of XLS files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20386.

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栈缓冲区溢出

Hancom Office 安全漏洞

Hancom Office是韩国Hancom公司的一款移动办公程序。该程序支持查看和编辑多种格式的文档。 Hancom Office存在安全漏洞，该漏洞源于在将用户提供的数据复制到基于堆栈的缓冲区之前缺乏对用户提供的数据的长度进行正确验证。

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