Cisco Firepower System Software Detection Engine Denial of Service Vulnerability

A vulnerability in the Server Message Block Version 2 (SMBv2) and Version 3 (SMBv3) protocol implementation for the Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause the device to run low on system memory, possibly preventing the device from forwarding traffic. It is also possible that a manual reload of the device may be required to clear the condition. The vulnerability is due to incorrect SMB header validation. An attacker could exploit this vulnerability by sending a custom SMB file transfer through the targeted device. A successful exploit could cause the device to consume an excessive amount of system memory and prevent the SNORT process from forwarding network traffic. This vulnerability can be exploited using either IPv4 or IPv6 in combination with SMBv2 or SMBv3 network traffic.

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数据处理错误

Cisco Firepower System Software 安全漏洞

Cisco Adaptive Security Appliance（ASA）5500-X Series with FirePOWER Services等都是美国思科（Cisco）公司的安全设备。Firepower System Software是使用在其中的一套防火墙操作系统。 Cisco Firepower System Software中的Server Message Block 2版本(SMBv2)和3版本(SMBv3)协议的实现存在拒绝服务漏洞，该漏洞源于程序没有正确的验证SMB包头。远程攻击者可

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