MS10-020: Vulnerabilities in SMB Client Could Allow Remote Code Execution (980232)

High Nessus Plugin ID 45507


Arbitrary code can be executed on the remote host through the installed SMB client.


The version of the SMB client software installed on the remote Windows host may be affected by one or more vulnerabilities, including some that could allow arbitrary code execution :

- Incorrect handling of incomplete SMB responses could be abused to cause the system to stop responding.

- A vulnerability in the way the SMB client allocates memory when parsing specially crafted SMB responses could be abused by an unauthenticated, remote attacker to execute arbitrary code with system-level privileges.

- Improper validation of fields in SMB responses could lead to a memory corruption issue and in turn to arbitrary code execution with system-level privileges.

- Improper parsing of SMB transaction responses could lead to a memory corruption issue resulting in code execution with system-level privileges. (CVE-2010-0476)

- Improper handling of SMB responses could cause the SMB client to consume the entire response and indicate an invalid value to the Winsock kernel, which in turn could allow remote code execution and result in the compromise of the affected system. (CVE-2010-0477)


Microsoft has released a set of patches for Windows 2000, XP, 2003, Vista, 2008, 7, and 2008 R2.

See Also

Plugin Details

Severity: High

ID: 45507

File Name: smb_nt_ms10-020.nasl

Version: $Revision: 1.21 $

Type: local

Agent: windows

Published: 2010/04/13

Modified: 2017/07/26

Dependencies: 13855, 57033

Risk Information

Risk Factor: High


Base Score: 9.3

Temporal Score: 7.3

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

Temporal Vector: CVSS2#E:POC/RL:OF/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: 2010/04/13

Vulnerability Publication Date: 2009/11/11

Exploitable With

Core Impact

Reference Information

CVE: CVE-2009-3676, CVE-2010-0269, CVE-2010-0270, CVE-2010-0476, CVE-2010-0477

BID: 36989, 39312, 39336, 39339, 39340

OSVDB: 59957, 64925, 64926, 64927, 64928

MSFT: MS10-020

MSKB: 980232