File: 1257.txt

package info (click to toggle)
snort 2.7.0-20.4
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 34,512 kB
  • ctags: 18,772
  • sloc: ansic: 115,404; sh: 10,893; makefile: 1,372; perl: 487; sql: 213
file content (61 lines) | stat: -rw-r--r-- 1,221 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
Rule:

--
Sid:
1257 

--
Summary:
This event is generated when an attempt is made to use WinNuke against a
host.

--
Impact:
Serious. Possible Denial of Service (DoS), this can cause a system to 
crash or lose network connectivity

--
Detailed Information:
An attacker can send a malformed data packet to and networked host over 
TCP and cause a DoS, loss of network connectivity, or a system crash.

--
Affected Systems:
	Windows NT Workstation and Server 4.0
	Windows NT Workstation and Server 3.5.x
	Windows 3.1x
	Windows 95
--
Attack Scenarios:
Program is run against a system in an attempt to knock the system off 
the network. 

--
Ease of Attack:
Simple. An attacker runs WinNuke and enters an IP address of a target 
system.

--
False Positives:
None Known.
--
False Negatives:
None Known

--
Corrective Action:
Since there is no known fix for several of the affected operating 
systems, SMB traffic should be blocked at the firewall and all TCP 
traffic on ports 139/135 should be dropped.
 
--
Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>
Snort documentation contributed by  Mike Rivett ebiz@rivett.org

-- 
Additional References:

--