MS03-007: Unchecked Buffer in ntdll.dll (815021)

Critical Nessus Plugin ID 11413

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VPR Score: 7.4


Arbitrary code can be executed on the remote host.


The remote version of Windows contains a buffer overflow in the Windows kernel, that could allow an attacker to execute arbitrary code on the remote host with SYSTEM privileges.

For example this vulnerability can be exploited through the WebDAV component of IIS 5.0.

A public exploit is available.


Microsoft has released a set of patches for Windows NT, 2000 and XP.

See Also

Plugin Details

Severity: Critical

ID: 11413

File Name: smb_nt_ms03-007.nasl

Version: 1.50

Type: local

Agent: windows

Published: 2003/03/18

Updated: 2018/11/15

Dependencies: 57033, 13855

Risk Information

Risk Factor: Critical

VPR Score: 7.4

CVSS v2.0

Base Score: 10

Temporal Score: 8.3

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

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

CVSS v3.0

Base Score: 9.8

Temporal Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2003/03/17

Vulnerability Publication Date: 2003/03/17

Exploitable With


Metasploit (MS03-007 Microsoft IIS 5.0 WebDAV ntdll.dll Path Overflow)

Reference Information

CVE: CVE-2003-0109

BID: 7116

MSFT: MS03-007

CERT: 117394

MSKB: 815021