Microsoft Windows 7/Server 2003/Server 2008/Vista/XP MHTML HTML injection

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability has been found in Microsoft Windows 7/Server 2003/Server 2008/Vista/XP (Operating System) and classified as critical. Affected by this vulnerability is some unknown functionality of the component MHTML Handler. The manipulation with an unknown input leads to a html injection vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The MHTML protocol handler in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle a MIME format in a request for content blocks in a document, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site that is visited in Internet Explorer, aka "MHTML Mime-Formatted Request Vulnerability."

The weakness was shared 01/29/2011 with Ph4nt0m Webzine 0x05 as MS11-026 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-2011-0096 since 12/21/2010. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 53383 (MS11-026: Vulnerability in MHTML Could Allow Information Disclosure (2503658)), 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 l.

Applying the patch MS11-026 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (65000) and Tenable (53383). The entry VDB-4674 is related to this item.

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  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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CVSSv2info

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Exploitinginfo

Class: HTML injection
CWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 53383
Nessus Name: MS11-026: Vulnerability in MHTML Could Allow Information Disclosure (2503658)
Nessus File: 🔍
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Nessus Context: 🔍

OpenVAS ID: 902409
OpenVAS Name: Windows MHTML Information Disclosure Vulnerability (2503658)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS11-026

Timelineinfo

12/21/2010 🔍
01/28/2011 +38 days 🔍
01/28/2011 +0 days 🔍
01/29/2011 +1 days 🔍
01/29/2011 +0 days 🔍
01/31/2011 +1 days 🔍
02/15/2011 +15 days 🔍
04/12/2011 +56 days 🔍
04/13/2011 +1 days 🔍
03/18/2021 +3627 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-026
Researcher: http://www.80vul.com/webzine_0x05/
Organization: Ph4nt0m Webzine 0x05
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0096 (🔍)
OVAL: 🔍

X-Force: 65000
SecurityTracker: 1025003 - Microsoft MHTML Input Validation Hole May Permit Cross-Site Scripting Attacks
SecurityFocus: 46055 - Microsoft Windows MHTML Script Code Injection Vulnerability
Secunia: 43093 - Microsoft Windows MHTML Cross-Site Scripting Vulnerability, Less Critical
OSVDB: 70693 - Microsoft Windows MHTML Protocol Handler MIME Formatted Request XSS
Vupen: ADV-2011-0242

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 02/15/2011 10:42
Updated: 03/18/2021 18:31
Changes: 02/15/2011 10:42 (78), 08/19/2018 19:46 (12), 03/18/2021 18:18 (1), 03/18/2021 18:24 (7), 03/18/2021 18:31 (1)
Complete: 🔍
Cache ID: 13:209:103

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