MS04-007: ASN.1 Vulnerability Could Allow Code Execution (828028) (uncredentialed check) (HTTP)

High Nessus Plugin ID 12055


The remote Windows host is affected by a memory corruption vulnerability.


The remote Windows host has an ASN.1 library with a vulnerability that could allow an attacker to execute arbitrary code on this host.

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

This particular check sent a malformed HTML authorization packet and determined that the remote host is not patched.


Apply the patch referenced above.

See Also

Plugin Details

Severity: High

ID: 12055

File Name: http_asn1_decoding.nasl

Version: 1.55

Type: remote

Agent: windows

Family: Windows

Published: 2004/02/15

Updated: 2018/11/15

Dependencies: 10107

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: www/iis

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2004/02/10

Vulnerability Publication Date: 2004/02/10

Exploitable With


Core Impact

Metasploit (MS04-007 Microsoft ASN.1 Library Bitstring Heap Overflow)

Reference Information

CVE: CVE-2003-0818

BID: 9633, 9635, 9743, 13300

MSFT: MS04-007

MSKB: 828028