Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability

Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Cleanup Premium. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Cleanup Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22892.

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在文件访问前对链接解析不恰当(链接跟随)

Avast Cleanup 后置链接漏洞

Avast Cleanup是Avast公司的一款电脑清理软件。 Avast Cleanup存在后置链接漏洞，该漏洞源于存在本地权限提升问题，可能导致攻击者在受影响的安装上提升权限并执行任意代码。

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