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A vulnerability in the Advanced Malware Protection (AMP) file filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured AMP file filtering rule. The file types affected are zipped or archived file types. The vulnerability is due to incorrect and different file hash values when AMP scans the file. An attacker could exploit this vulnerability by sending a crafted email file attachment through the targeted device. An exploit could allow the attacker to bypass a configured AMP file filter. Cisco Bug IDs: CSCvf52943.

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不恰当实现的标准安全检查

Cisco Web Security Appliance Cisco AsyncOS Software 安全漏洞

Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一套Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。Cisco AsyncOS Software是一套运行在其中的操作系统。 Cisco WSA中的Cisco AsyncOS Software的Advanced Malware Protection (AMP)文件过滤功能存在安全漏洞，该漏洞源于不同的错误文件散列值。远程攻击者可通过发送特制的email文件附件利用该漏洞

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