Symantec WinFax Pro 10.3 Fax Viewer ActiveX 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 has been found in Symantec WinFax Pro 10.3 and classified as critical. This vulnerability affects some unknown functionality of the component Fax Viewer ActiveX. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 05/02/2009 by trotzkista with Nine Situations Group (Website). The advisory is shared for download at The public release happened without coordination with the vendor. This vulnerability was named CVE-2009-2570 since 07/22/2009. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Nine:Situations:Group and been published before and not just after the advisory. It is declared as proof-of-concept. It is possible to download the exploit at 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 $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 44418 (MS10-008: Cumulative Security Update of ActiveX Kill Bits (978262)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context local.

The best possible mitigation is suggested to be disabling the affected component.

The vulnerability is also documented in the databases at SecurityFocus (BID 34766), Secunia (SA34925), SecurityTracker (ID 1022147), Vulnerability Center (SBV-23692) and Tenable (44418). The entry 51812 is related to this item.




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Nine:Situations:Group
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 44418
Nessus Name: MS10-008: Cumulative Security Update of ActiveX Kill Bits (978262)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
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Recommended: Disable
Status: 🔍

0-Day Time: 🔍
PaloAlto IPS: 🔍
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04/29/2009 🔍
04/29/2009 +0 days 🔍
04/29/2009 +0 days 🔍
04/30/2009 +1 days 🔍
04/30/2009 +0 days 🔍
05/02/2009 +1 days 🔍
05/19/2009 +17 days 🔍
07/22/2009 +64 days 🔍
07/22/2009 +0 days 🔍
07/22/2009 +0 days 🔍
10/11/2009 +81 days 🔍
02/09/2010 +121 days 🔍
04/15/2016 +2257 days 🔍
03/17/2021 +1797 days 🔍



Researcher: trotzkista
Organization: Nine Situations Group
Status: Confirmed

CVE: CVE-2009-2570 (🔍)
SecurityFocus: 34766 - Symantec WinFax Pro 'DCCFAXVW.DLL' Heap Buffer Overflow Vulnerability
Secunia: 34925 - Symantec WinFax Pro Fax Viewer ActiveX Control Buffer Overflow, Highly Critical
SecurityTracker: 1022147 - Symantec WinFax Buffer Overflow Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 23692 - Symantec WinFax Pro 10.03 \x27DCCFAXVW.DLL\x27 Remote Arbitrary Code Execution Vulnerability via AppendFax, High
OSVDB: 54137 - Symantec WinFax Pro Symantec.FaxViewerControl.1 ActiveX (DCCFAXVW.DLL) AppendFax Method Overflow
Vupen: ADV-2009-1221

scip Labs:
See also: 🔍


Created: 05/19/2009 02:33 PM
Updated: 03/17/2021 09:09 AM
Changes: (3) source_nessus_risk exploit_price_0day vulnerability_cvss2_nvd_basescore
Complete: 🔍


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