Microsoft Windows smmscrpt.dll memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as very critical, was found in Microsoft Windows (Operating System) (affected version unknown). Affected is an unknown functionality in the library smmscrpt.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Untrusted search path vulnerability in the Internet Connection Signup Wizard in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 allows local users to gain privileges via a Trojan horse smmscrpt.dll file in the current working directory, as demonstrated by a directory that contains an ISP or INS file, aka "Internet Connection Signup Wizard Insecure Library Loading Vulnerability."

The weakness was disclosed 08/27/2010 by Beenu Arora (Website). The advisory is shared for download at This vulnerability is traded as CVE-2010-3144 since 08/27/2010. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/24/2021).

A public exploit has been developed by Beenu Arora and been published even before and not after the advisory. The exploit is shared for download at It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 51169 (MS10-097: Insecure Library Loading in Internet Connection Signup Wizard Could Allow Remote Code Execution (2443105)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

A possible mitigation has been published 4 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10705.

The vulnerability is also documented in the databases at X-Force (63548), Tenable (51169) and Exploit-DB (14754).






CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Beenu Arora
Download: 🔍

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Nessus ID: 51169
Nessus Name: MS10-097: Insecure Library Loading in Internet Connection Signup Wizard Could Allow Remote Code Execution (2443105)
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OpenVAS ID: 902278
OpenVAS Name: MS Windows ICSW Remote Code Execution Vulnerability (2443105)
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Threat Intelligenceinfo

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Recommended: no mitigation known
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08/25/2010 🔍
08/25/2010 +0 days 🔍
08/27/2010 +2 days 🔍
08/27/2010 +0 days 🔍
08/27/2010 +0 days 🔍
08/27/2010 +0 days 🔍
08/31/2010 +4 days 🔍
12/14/2010 +104 days 🔍
12/14/2010 +0 days 🔍
12/15/2010 +1 days 🔍
12/15/2010 +0 days 🔍
03/19/2015 +1555 days 🔍
09/24/2021 +2381 days 🔍



Researcher: Beenu Arora
Status: Confirmed

CVE: CVE-2010-3144 (🔍)

X-Force: 63548
SecurityTracker: 1024879 - Microsoft Windows Internet Connection Signup Wizard May Load DLLs Unsafely and Remotely Execute Arbitrary Code
Vulnerability Center: 28667 - [MS10-097] Microsoft Internet Connection Signup Wizard Remote Arbitrary code Execution Vulnerability, Critical
SecurityFocus: 42713
OSVDB: 67722 - Microsoft Windows Internet Connection Signup Wizard Path Subversion Arbitrary DLL Injection Code Execution

scip Labs:


Created: 03/19/2015 02:37 PM
Updated: 09/24/2021 07:27 AM
Changes: 03/19/2015 02:37 PM (68), 03/11/2017 08:52 AM (21), 09/24/2021 07:27 AM (3)
Complete: 🔍
Cache ID: 100:8AA:40


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