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This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. 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 arrowEnd attribute of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-4979.

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释放后使用

Foxit Reader 安全漏洞

Foxit Reader是中国福昕（Foxit）软件公司的一款PDF文档阅读器。 Foxit Reader 8.3.1.21155版本中的Annotation对象的arrowEnd属性存在安全漏洞，该漏洞源于程序在对对象执行操作之前，没有验证对象是否存在。远程攻击者可借助恶意的文件或页面在当前进程的上下文中执行任意代码（释放后重用）。

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