1814.txt

来自「snort入侵检测规则文件2.4 Snort是众所周知的网络入侵检测工具」· 文本 代码 · 共 65 行

Rule:

--
Sid:
1814

--
Summary:
This event is generated when an attempt is made to exploit a flaw on a 
Cisco VoIP telephone.

--
Impact:
Denial of Service.

--
Detailed Information:
Certain versions of Cisco's VoIP phones are vulnerable to an attack that
can cause them to reboot when they recieve an http request such as 
http://ciscophoneip/StreamingStatistics?<value> where <value> is an 
integer value of arbitrary high value, typically a number greater than 
32768.

--
Affected Systems:
	Cisco VoIP Phones 7910, 7940, and 7960
	  (software version 3.0 to 3.2)

--
Attack Scenarios:
A remote user can send the exploit url to the phone, causing the phone 
to reboot and disallowingthe user to place or recieve calls for up to 30
seconds.

--
Ease of Attack:
Simple.

--
False Positives: 
None known.

--
False Negatives: 
None known.

--
Corrective Action:
Apply the appropriate vendor supplied patches.

--
Contributors:
Sourcefire Research Team
Brian Caswell <[e-mail]>
Nigel Houghton <[e-mail]> 
Snort documentation contributed by Josh Sakofsky

-- 
Additional References:

Bugtraq:
http://www.securityfocus.com/bid/4794

--