Microsoft Internet Explorer 6/7/8 mshtml.dll Notify resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Microsoft Internet Explorer 6/7/8. The impacted element is the function CSharedStyleSheet::Notify in the library mshtml.dll. Such manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2010-3971. The attack can be launched remotely. Moreover, an exploit is present. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 6/7/8 (Web Browser) and classified as critical. Affected by this issue is the function CSharedStyleSheet::Notify in the library mshtml.dll. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in the CSharedStyleSheet::Notify function in the Cascading Style Sheets (CSS) parser in mshtml.dll, as used in Microsoft Internet Explorer 6 through 8 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a self-referential @import rule in a stylesheet, aka "CSS Memory Corruption Vulnerability."

The issue has been introduced in 03/05/2008. The weakness was disclosed 12/22/2010 as MS11-003 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-2010-3971. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known.

The exploit is available at packetstormsecurity.com. It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 1022 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 51903 (MS11-003: Cumulative Security Update for Internet Explorer (2482017)), 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 118888 (Microsoft Windows Shell Graphics Processing Remote Code Execution Vulnerability (MS11-006 and KB2490606)).

Applying the patch MS11-003 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10739.

The vulnerability is also documented in the databases at X-Force (64914), Zero-Day.cz (80), Tenable (51903), SecurityFocus (BID 45246†) and OSVDB (69796†). The entries VDB-4237, VDB-55989, VDB-56412 and VDB-56411 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 51903
Nessus Name: MS11-003: Cumulative Security Update for Internet Explorer (2482017)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 901180
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2482017)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/ie_css_import
Saint Name: Microsoft Internet Explorer CSS Import Use-After-Free Code Execution

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ms11_003_ie_css_import.rb
MetaSploit Name: MS11-003 Microsoft Internet Explorer CSS Recursive Import Use After Free
MetaSploit File: 🔍

Exploit-DB: 🔍
Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS11-003
Suricata ID: 2012075
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/05/2008 🔍
10/14/2010 +952 days 🔍
12/08/2010 +55 days 🔍
12/14/2010 +6 days 🔍
12/22/2010 +8 days 🔍
12/22/2010 +0 days 🔍
02/08/2011 +48 days 🔍
03/19/2015 +1500 days 🔍
01/05/2025 +3580 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS11-003
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-3971 (🔍)
GCVE (CVE): GCVE-0-2010-3971
GCVE (VulDB): GCVE-100-55832

OVAL: 🔍

CERT: 🔍
X-Force: 64914
SecurityFocus: 45246
Secunia: 42510
OSVDB: 69796
SecurityTracker: 1024922
Vulnerability Center: 28627 - [MS11-003] Microsoft Internet Explorer CSS Remote Arbitrary Code Execution Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/19/2015 23:27
Updated: 01/05/2025 22:20
Changes: 03/19/2015 23:27 (49), 04/07/2017 12:10 (35), 10/07/2021 14:04 (5), 10/07/2021 14:10 (7), 10/07/2021 14:13 (1), 06/28/2024 14:35 (18), 07/16/2024 22:31 (4), 01/05/2025 22:20 (2)
Complete: 🔍
Cache ID: 216:3F2:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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