Microsoft Outlook Express/Windows Mail MHTML Ressource information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in Microsoft Outlook Express and Windows Mail (Mail Client Software) (affected version unknown) and classified as problematic. Affected by this vulnerability is an unknown code block of the component MHTML Ressource Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. As an impact it is known to affect confidentiality.

The weakness was disclosed 06/12/2007 by Yosuke Hasegawa with WebAppSec.JP as MS07-034 as confirmed bulletin (Technet). It is possible to read the advisory at This vulnerability is known as CVE-2007-2227 since 04/24/2007. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 25487 (MS07-034: Cumulative Security Update for Outlook Express and Windows Mail (929123)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Upgrading eliminates this vulnerability. Applying the patch MS07-034 is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 24410), X-Force (34623), Secunia (SA25639), SecurityTracker (ID 1018234) and Vulnerability Center (SBV-15362). Additional details are provided at The entries 2191, 3124, 3128 and 3126 are pretty similar.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
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Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 25487
Nessus Name: MS07-034: Cumulative Security Update for Outlook Express and Windows Mail (929123)
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Threat Intelligenceinfoedit

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Recommended: Upgrade
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Patch: MS07-034
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04/24/2007 🔍
06/12/2007 +49 days 🔍
06/12/2007 +0 days 🔍
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06/18/2007 +5 days 🔍
07/12/2007 +24 days 🔍
02/15/2015 +2775 days 🔍
12/29/2016 +683 days 🔍



Advisory: MS07-034
Researcher: Yosuke Hasegawa
Organization: WebAppSec.JP
Status: Confirmed

CVE: CVE-2007-2227 (🔍)

SecurityFocus: 24410 - Microsoft Outlook Express Content Disposition Parsing Information Disclosure Vulnerability
Secunia: 25639 - Microsoft Outlook Express and Windows Mail Multiple Vulnerabilities, Highly Critical
X-Force: 34623
SecurityTracker: 1018234 - Windows Mail MHTML Protocol Handler Content-Disposition Bug Lets Remote Users Obtain Information
Vulnerability Center: 15362 - [MS07-034] Microsoft Outlook Express 6 and Windows Mail Remote Information Disclosure, Medium
OSVDB: 35346 - Microsoft Outlook Express / Windows Mail MHTML Content Disposition Parsing Cross Domain Information Disclosure
Vupen: ADV-2007-2154

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Created: 06/18/2007 07:38 PM
Updated: 12/29/2016 01:00 PM
Changes: (11) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_secunia_date source_securityfocus_date source_securityfocus_class source_sectracker_date source_sectracker_cause
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