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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Windows >> ASN.1 Parsing Vulnerabilities (NTLM check)


Vulnerability Assessment Details

ASN.1 Parsing Vulnerabilities (NTLM check)

Vulnerability Assessment Summary
Checks if the remote host has a patched ASN.1 decoder (828028)

Detailed Explanation for this Vulnerability Assessment

Summary :

Arbitrary code can be executed on the remote host.

Description :

The remote Windows host has a ASN.1 library which is vulnerable to a
flaw which could permit a possible hacker to execute arbitrary code on this host.

To exploit this flaw, a possible hacker would need to send a specially crafted
ASN.1 encoded packet with improperly advertised lengths.

This particular check sent a malformed NTLM packet and acertaind that
the remote host is not patched.

Solution :

http://www.microsoft.com/technet/security/bulletin/ms04-007.mspx

Network Security Threat Level:

Critical / CVSS Base Score : 10
(AV:R/AC:L/Au:NR/C:C/A:C/I:C/B:N)

Networks Security ID: 9633, 9635, 9743, 13300

Vulnerability Assessment Copyright: This script is Copyright (C) 2005-2006 Tenable Network Security

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