File: 1768.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 (64 lines) | stat: -rw-r--r-- 1,506 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
Rule:

--
Sid:

1768 

--
Summary:
This event is generated when an attempt is made to overflow a buffer in HTTP header field handler of Microsoft Internet Information Server (IIS) versions 4.0, 5.0, and 5.1.

--
Impact:
Denial of Service, arbitrary code execution. Full administrative control is possible.

--
Detailed Information:
A vulnerability exists in HTTP header process in ASP.DLL , a specially crafted packet sent to this processor will allow an attacker to disrupt the ISS service or run any arbitrary commands with the privileges of the ASP ISAPI extension.

--
Affected Systems:
	Microsoft Internet Information Server 4.0 
	Microsoft Internet Information Services 5.0 
	Microsoft Internet Information Services 5.1 

--
Attack Scenarios:
A remote attacker first probes the version of ISS server then ,could attempt overflow one of the HTTP header field buffers and execute arbitrary code on the system.

--
Ease of Attack:
Simple.

--
False Positives:
None known.

--
False Negatives:
None known.

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

Upgrade to the latest non-affected version of the software.

--
Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>
Snort documentation contributed by Nawapong Nakjang (tony@ksc.net, tonie@thai.com)

--
Additional References:

Microsoft:
http://www.microsoft.com/technet/security/bulletin/MS02-018.asp

CERT:
http://www.cert.org/advisories/CA-2002-09.html

--