Microsoft Exchange 2007/2010 Outlook Web Access vspdx.dll) heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as critical was found in Microsoft Exchange 2007/2010 (Groupware Software). This vulnerability affects an unknown code block in the library vspdx.dll) of the component Outlook Web Access. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-122. As an impact it is known to affect confidentiality, and integrity.

The weakness was disclosed 02/12/2013 by Dmitriy Pletnev with Secunia Research as MS13-012 as confirmed advisory (Website). The advisory is available at The public release has been coordinated in cooperation with the vendor. This vulnerability was named CVE-2013-0418 since 12/07/2012. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/04/2021).

The vulnerability scanner Nessus provides a plugin with the ID 64573 (MS13-012: Vulnerabilities in Microsoft Exchange Server Could Allow Remote Code Execution (2809279)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 74264 (Microsoft Exchange Server Remote Code Execution Vulnerability (MS13-012)).

Applying the patch KB2809279 is able to eliminate this problem. The bugfix is ready for download at A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12964.

The vulnerability is also documented in the databases at SecurityFocus (BID 57364), X-Force (81254), Vulnerability Center (SBV-38374) and Tenable (64573). Additional details are provided at The entries 7067, 7372, 7391 and 7380 are pretty similar.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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Class: Memory corruption
CWE: CWE-122
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 64573
Nessus Name: MS13-012: Vulnerabilities in Microsoft Exchange Server Could Allow Remote Code Execution (2809279)
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OpenVAS ID: 902948
OpenVAS Name: MS Exchange Server Remote Code Execution Vulnerabilities (2809279)
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Threat Intelligenceinfoedit

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Recommended: Patch
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Patch: KB2809279
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12/07/2012 🔍
01/15/2013 +39 days 🔍
01/15/2013 +0 days 🔍
01/16/2013 +1 days 🔍
02/12/2013 +27 days 🔍
02/12/2013 +0 days 🔍
02/13/2013 +1 days 🔍
02/13/2013 +0 days 🔍
04/18/2016 +1160 days 🔍
05/04/2021 +1842 days 🔍



Advisory: MS13-012
Researcher: Dmitriy Pletnev
Organization: Secunia Research
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0418 (🔍)

SecurityFocus: 57364 - Oracle Outside In Technology CVE-2013-0418 Heap Based Buffer Overflow Vulnerability
X-Force: 81254
Vulnerability Center: 38374 - [MS13-012, cpujan2013-1515902] Microsoft Exchange Server Remote Code Execution via Oracle Outside In Technology Library, Medium

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Created: 02/13/2013 01:25 AM
Updated: 05/04/2021 06:59 PM
Changes: (3) source_nessus_risk exploit_price_0day vulnerability_cvss2_nvd_basescore
Complete: 🔍


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