Cisco IOS IPS 'SERVICE.DNS'远程拒绝服务漏洞

BUGTRAQ ID: 31364 CVE ID: CVE-2008-2739 CNCVE ID：CNCVE-20082739 Cisco IOS Intrusion Prevention System (IPS)是一款内联的报文检测分析功能，可用于检查大量的网络攻击。 Cisco IOS IPS包含的SERVICE.DNS签名引擎存在问题，远程攻击者可以利用漏洞对设备进行拒绝服务攻击。 部分网络通信可触发SERVICE.DNS签名引擎上的IPS签名，可导致Cisco IOS设备崩溃或挂起。这可导致破坏网路通信而导致拒绝服务攻击。 此漏洞的Cisco bug ID为CSCsq13348，CVE ID为CVE-2008-2739。 Cisco IOS 12.4YA Cisco IOS 12.4XZ Cisco IOS 12.4XY Cisco IOS 12.4XW Cisco IOS 12.4XV Cisco IOS 12.4XT Cisco IOS 12.4XK Cisco IOS 12.4XJ Cisco IOS 12.4XF Cisco IOS 12.4XE Cisco IOS 12.4XD Cisco IOS 12.4XC Cisco IOS 12.4XA Cisco IOS 12.4T Cisco IOS 12.4MR Cisco IOS 12.4 Cisco IOS 12.3ZA Cisco IOS 12.3YZ Cisco IOS 12.3YT Cisco IOS 12.3YS Cisco IOS 12.3YM Cisco IOS 12.3YK Cisco IOS 12.3YI Cisco IOS 12.3YH Cisco IOS 12.3YG Cisco IOS 12.3YD Cisco IOS 12.3YA Cisco IOS 12.3XX Cisco IOS 12.3XS Cisco IOS 12.3XQ Cisco IOS 12.3XL Cisco IOS 12.3T 可参考如下安全公告获得补丁信息： <a href=http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml target=_blank>http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml</a>