Microsoft Windows JScript/VBScript numeric error

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Windows. Impacted is an unknown function of the component JScript/VBScript. This manipulation causes numeric error. The identification of this vulnerability is CVE-2011-0663. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Windows (Operating System) (version now known). Affected by this vulnerability is some unknown processing of the component JScript/VBScript. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability."

The weakness was shared 04/12/2011 with Microsoft as MS11-031 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-2011-0663 since 01/28/2011. 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.

The vulnerability scanner Nessus provides a plugin with the ID 53388 (MS11-031: Vulnerability in JScript and VBScript Scripting Engines Could Allow Remote Code Execution (2514666)), 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 90700 (Microsoft JScript and VBScript Scripting Engines Remote Code Execution Vulnerability (MS11-031)).

Upgrading eliminates this vulnerability. Applying the patch MS11-031 is able to eliminate this problem. The bugfix is ready for download at 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 (66446), Tenable (53388), SecurityFocus (BID 47249†), OSVDB (71774†) and Secunia (SA44162†). The entries VDB-4338, VDB-4335, VDB-4337 and VDB-4336 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 53388
Nessus Name: MS11-031: Vulnerability in JScript and VBScript Scripting Engines Could Allow Remote Code Execution (2514666)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 902501
OpenVAS Name: Microsoft JScript and VBScript Scripting Engines Remote Code Execution Vulnerability (2514666)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS11-031

Timelineinfo

01/28/2011 🔍
04/12/2011 +74 days 🔍
04/12/2011 +0 days 🔍
04/12/2011 +0 days 🔍
04/13/2011 +1 days 🔍
04/13/2011 +0 days 🔍
04/13/2011 +0 days 🔍
04/13/2011 +0 days 🔍
04/18/2011 +4 days 🔍
01/26/2025 +5032 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-031
Organization: Microsoft
Status: Confirmed

CVE: CVE-2011-0663 (🔍)
GCVE (CVE): GCVE-0-2011-0663
GCVE (VulDB): GCVE-100-4339

OVAL: 🔍
IAVM: 🔍

X-Force: 66446
SecurityFocus: 47249
Secunia: 44162 - Microsoft Windows JScript and VBScript Integer Overflow Vulnerability, Highly Critical
OSVDB: 71774 - Microsoft Windows JScript / VBScript Engine Scripting Memory Reallocation Overflow
SecurityTracker: 1025333
Vulnerability Center: 31073 - [MS11-031] Microsoft Jscript and VBScript Remote Arbitrary Code Execution Vulnerability, Critical

See also: 🔍

Entryinfo

Created: 04/18/2011 02:00
Updated: 01/26/2025 19:00
Changes: 04/18/2011 02:00 (82), 03/21/2017 10:58 (7), 03/19/2021 09:25 (3), 01/18/2025 19:17 (17), 01/21/2025 20:19 (12), 01/26/2025 19:00 (1)
Complete: 🔍
Cache ID: 216:C27:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!