漏洞类别：Cisco
漏洞等级： 
漏洞信息
A vulnerability in the DNS forwarder functionality of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload, to corrupt the information present in the device's local DNS cache, or read part of the process memory.
The vulnerability is due to a flaw in handling crafted DNS response messages.
漏洞危害
An attacker could exploit this vulnerability by intercepting and crafting a DNS response message to a client DNS query that was forwarded from the affected device to a DNS server. A successful exploit could cause the device to reload, resulting in a denial of service (DoS) condition or in a corruption of the local DNS cache information.
解决方案
Refer to Cisco advisory cisco-sa-20160928-dns for updates and patch information.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
0day
文章评论