Microsoft JScript/VBScript numeric error

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft JScript and VBScript. This issue affects some unknown processing. Executing a manipulation can lead to numeric error. The identification of this vulnerability is CVE-2012-2523. Furthermore, there is an exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in Microsoft JScript and VBScript (affected version unknown) and classified as critical. This vulnerability affects an unknown functionality. 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. CVE summarizes:

Integer overflow in Microsoft Internet Explorer 8 and 9, JScript 5.8, and VBScript 5.8 on 64-bit platforms allows remote attackers to execute arbitrary code by leveraging an incorrect size calculation during object copying, aka "JavaScript Integer Overflow Remote Code Execution Vulnerability."

The weakness was shared 08/14/2012 by Cris Neckar with Google Chrome Security Team as MS12-056 as confirmed bulletin (Microsoft Technet). The advisory is shared for download at technet.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2012-2523 since 05/09/2012. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 61531 (MS12-056: Vulnerability in JScript and VBScript Scripting Engines Could Allow Remote Code Execution (2706045)), 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 100125 (Microsoft Internet Explorer Cumulative Security Update (MS12-052)).

Applying the patch MS12-056 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12504.

The vulnerability is also documented in the databases at Tenable (61531), SecurityFocus (BID 54945†), OSVDB (84604†), Secunia (SA50243†) and Vulnerability Center (SBV-35862†). The entries VDB-5934, VDB-5935, VDB-5936 and VDB-5937 are related to this item. 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: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 61531
Nessus Name: MS12-056: Vulnerability in JScript and VBScript Scripting Engines Could Allow Remote Code Execution (2706045)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902923
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2722913)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS12-056
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

05/09/2012 🔍
08/14/2012 +97 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/15/2012 +1 days 🔍
08/15/2012 +0 days 🔍
08/16/2012 +1 days 🔍
03/27/2021 +3145 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-056
Researcher: Cris Neckar
Organization: Google Chrome Security Team
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-2523 (🔍)
GCVE (CVE): GCVE-0-2012-2523
GCVE (VulDB): GCVE-100-5944

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 54945 - Microsoft VBScript And JScript Scripting Engines Integer Overflow Code Execution Vulnerability
Secunia: 50243 - Microsoft Windows JScript/VBScript Integer Overflow Vulnerability, Highly Critical
OSVDB: 84604
Vulnerability Center: 35862 - [MS12-056, MS12-052] Microsoft Internet Explorer, Jscript, and VBScript Integer Overflow Vulnerability, Critical

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

Entryinfo

Created: 08/16/2012 16:00
Updated: 03/27/2021 12:00
Changes: 08/16/2012 16:00 (84), 04/15/2017 16:30 (11), 03/27/2021 12:00 (2)
Complete: 🔍
Cache ID: 216::103

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

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