File: 1811.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 (63 lines) | stat: -rw-r--r-- 1,127 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
Rule:

--
Sid:
1811

--
Summary:
This event is generated when a remote user has exploited a flaw in a 
local SSH server.

--
Impact:
Serious

--
Detailed Information:
OpenSSH has a flaw in the challenge-response mechanism when configured 
with either the "PAMAuthenticationViaKbdInt" or the 
"ChallengeResponseAuthentication" options. This flaw can be exploited by
a user who is not authenicated and can lead to the attacker obtaining a 
root shell.

--
Affected Systems:
OpenSSH versions 1.2 to 3.3, Solaris 9.0, IBM Linux 
Affinity Toolkit, and HP HP-UX Secure Shell A.03.10.

--
Attack Scenarios:
An attacker can cause the service to restart or hang, leaving the 
service unavailable to users.

--
Ease of Attack:
Simple. Exploit code available.

--
False Positives:
None Known

--
False Negatives:
None Known

--
Corrective Action:
Upgrade to latest version of OpenSSH

--
Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>
Snort documentation contributed by Josh Sakofsky

-- 
Additional References:

Bugtraq:
http://www.securityfocus.com/bid/5093

--