Microsoft Internet Explorer 6/7/8/9 EUC-JP Character Encoding cross site scripting

CVSS Meta Temp Score
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4.8$0-$5k0.00

A vulnerability was found in Microsoft Internet Explorer 6/7/8/9 (Web Browser). It has been rated as problematic. Affected by this issue is an unknown code of the component EUC-JP Character Encoding. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Cross-site scripting (XSS) vulnerability in Microsoft Internet Explorer 6 through 9 allows remote attackers to inject arbitrary web script or HTML via crafted character sequences with EUC-JP encoding, aka "EUC-JP Character Encoding Vulnerability."

The weakness was shared 06/12/2012 by Masato Kinugawa as MS12-037 as confirmed bulletin (Technet). The advisory is available at microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2012-1872 since 03/22/2012. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is needed for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a private exploit is available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 59455 (MS12-037: Cumulative Security Update for Internet Explorer (2699988)), 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 100116 (Microsoft Internet Explorer Cumulative Security Update (MS12-037)).

Applying the patch MS12-037 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (75952) and Tenable (59455). The entries 5514, 5515, 5516 and 5517 are related to this item.

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  • end of life

CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.5
VulDB Temp Score: 4.8
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CVSSv2info

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Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
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Nessus ID: 59455
Nessus Name: MS12-037: Cumulative Security Update for Internet Explorer (2699988)
Nessus File: 🔍
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OpenVAS ID: 902682
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2699988)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS12-037

Timelineinfo

03/22/2012 🔍
06/12/2012 +82 days 🔍
06/12/2012 +0 days 🔍
06/12/2012 +0 days 🔍
06/12/2012 +0 days 🔍
06/12/2012 +0 days 🔍
06/13/2012 +1 days 🔍
06/14/2012 +1 days 🔍
03/25/2021 +3206 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-037
Researcher: Masato Kinugawa
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-1872 (🔍)
OVAL: 🔍

X-Force: 75952 - Microsoft Internet Explorer EUC-JP character information disclosure, Low Risk
SecurityTracker: 1027147 - Microsoft Internet Explorer Bugs Let Remote Users Execute Arbitrary Code, Conduct Cross-Site Scripting Attacks, and Obtain Potentially Sensitive Information
Vulnerability Center: 35310 - [MS12-037] Microsoft Internet Explorer 6-9 EUC-JP Character Encoding Allows XSS Vulnerability, Medium
SecurityFocus: 53843 - Microsoft Internet Explorer CVE-2012-1872 EUC-JP Character Information Disclosure Vulnerability
Secunia: 49412 - Microsoft Internet Explorer Multiple Vulnerabilities, Extremely Critical
OSVDB: 82862 - Microsoft IE EUC-JP Character Encoding XSS

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Entryinfo

Created: 06/14/2012 11:11
Updated: 03/25/2021 14:38
Changes: 06/14/2012 11:11 (54), 04/07/2017 12:02 (30), 03/25/2021 14:33 (7), 03/25/2021 14:38 (2)
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