File: 1413.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 (78 lines) | stat: -rw-r--r-- 1,515 bytes parent folder | download | duplicates (6)
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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
Rule:

--
Sid:
1413

--

Summary:
This event is generated when an SNMP connection over UDP using the 
default 'private' community is made.

--

Impact:
Information gathering

--

Detailed Information:
SNMP (Simple Network Management Protocol) v1 uses communities and IP 
addresses to authenticate communication between the SNMP client and SNMP
daemon. Many SNMP implementations come pre-configured with 'public' and 
'private' communities. If these are not disabled, the attacker can 
gather a great deal of information about the device running the SNMP 
daemon.

--

Affected Systems:
Devices running SNMP daemons with 'public' community enabled.

--

Attack Scenarios:
An attacker scans a range of IPs for SNMP servers having the 'public' 
community set and gathers information about the hosts.

--

Ease of Attack:
Simple.

--

False Positives:
None known.

--

False Negatives:
None known.

--

Corrective Action:
Disable the 'public' and 'private' communities before connecting the 
device with SNMP on the Internet or block access to SNMP ports using a 
packet filtering firewall for unauthorized addresses.

--

Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>
Snort documentation contributed by Chaos <c@aufbix.org>

-- 

Additional References:

CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0013
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0012
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-1999-0517

--