N/A

Multiple vulnerabilities in the Server Message Block Version 2 (SMB2) processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service (DoS) condition on an affected device. These vulnerabilities are due to improper management of system resources when the Snort detection engine is processing SMB2 traffic. An attacker could exploit these vulnerabilities by sending a high rate of certain types of SMB2 packets through an affected device. A successful exploit could allow the attacker to trigger a reload of the Snort process, resulting in a DoS condition. Note: When the snort preserve-connection option is enabled for the Snort detection engine, a successful exploit could also allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network. The snort preserve-connection setting is enabled by default. See the Details ["#details"] section of this advisory for more information. Note: Only products that have Snort 3 configured are affected. Products that are configured with Snort 2 are not affected.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

在释放前清理堆内存不恰当(堆检查)

多款Cisco产品安全漏洞

Cisco Firepower System等都是美国思科（Cisco）公司的产品。Cisco Firepower System是一款下一代防火墙产品（NGFW）。Cisco Umbrella是一套云安全平台。Cisco Cyber Vision Center Software是一套工业控制系统（ICS）监控解决方案。 多个Cisco产品的Snort检测引擎存在安全漏洞，该漏洞源于其Server Message Block Version 2（SMB2）processor处理SMB2流量时对系统资源的管理

N/A

N/A