| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Microsoft Windows. The affected element is an unknown function of the component True Type Fonts. The manipulation leads to input validation. This vulnerability is traded as CVE-2011-2004. There is no exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, has been found in Microsoft Windows (Operating System) (affected version unknown). This issue affects an unknown functionality of the component True Type Fonts. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is availability. The summary by CVE is:
Array index error in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1 allows remote attackers to cause a denial of service (reboot) via a crafted TrueType font file, aka "TrueType Font Parsing Vulnerability," a different vulnerability than CVE-2011-3402.
The weakness was shared 11/08/2011 by Will Dorman with CERT/CC (Website). It is possible to read the advisory at kb.cert.org. The identification of this vulnerability is CVE-2011-2004 since 05/09/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.
We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 56737 (MS11-084: Vulnerability in Windows Kernel-Mode Drivers Could Allow Denial of Service (2617657)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90751 (Microsoft Windows Kernel-Mode Drivers Denial of Service Vulnerability (MS11-084)).
Upgrading eliminates this vulnerability. Applying the patch MS11-084 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (70946), Tenable (56737), SecurityFocus (BID 50510†), Secunia (SA46751†) and Vulnerability Center (SBV-33758†). The entries VDB-4440, VDB-4436 and VDB-4438 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.7
VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 56737
Nessus Name: MS11-084: Vulnerability in Windows Kernel-Mode Drivers Could Allow Denial of Service (2617657)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 902485
OpenVAS Name: Windows Kernel-Mode Drivers Remote Code Execution Vulnerability (2617657)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS11-084
Timeline
05/09/2011 🔍11/08/2011 🔍
11/08/2011 🔍
11/08/2011 🔍
11/08/2011 🔍
11/08/2011 🔍
11/08/2011 🔍
11/09/2011 🔍
11/21/2011 🔍
01/26/2025 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: kb.cert.org
Researcher: Will Dorman
Organization: CERT/CC
Status: Confirmed
CVE: CVE-2011-2004 (🔍)
GCVE (CVE): GCVE-0-2011-2004
GCVE (VulDB): GCVE-100-4439
OVAL: 🔍
CERT: 🔍
X-Force: 70946
SecurityFocus: 50510 - Microsoft Windows Kernel TrueType Font Parsing (CVE-2011-2004) Denial of Service Vulnerability
Secunia: 46751 - Microsoft Windows TrueType Font Parsing Denial of Service, Moderately Critical
Vulnerability Center: 33758 - [MS11-084] Microsoft Windows TrueType Font Parsing Vulnerability Allows Remote DoS, High
See also: 🔍
Entry
Created: 11/21/2011 01:00Updated: 01/26/2025 19:15
Changes: 11/21/2011 01:00 (77), 04/04/2017 16:56 (8), 03/19/2021 17:39 (3), 01/12/2025 22:39 (18), 01/26/2025 19:15 (1)
Complete: 🔍
Cache ID: 216:AD1:103
Be aware that VulDB is the high quality source for vulnerability data.
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