Microsoft Internet Explorer 10/11 input validation

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

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft Internet Explorer 10/11. The affected element is an unknown function. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2014-4126. It is possible to launch the attack remotely. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Microsoft Internet Explorer 10/11 (Web Browser) and classified as critical. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Microsoft Internet Explorer 10 and 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability."

The issue has been introduced in 04/12/2011. The weakness was published 10/14/2014 by Rohit Mothe (iDefense) with VeriSign iDefense Labs as MS14-056 as confirmed bulletin (Technet) via iDefense. The advisory is available at technet.microsoft.com. This vulnerability was named CVE-2014-4126 since 06/12/2014. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 1281 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 78431 (MS14-056: Cumulative Security Update for Internet Explorer (2987107)), 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 100212 (Microsoft Internet Explorer Cumulative Security Update (MS14-056)).

Applying the patch MS14-056 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 16853.

The vulnerability is also documented in the databases at Tenable (78431), SecurityFocus (BID 70328†), Secunia (SA60968†), SecurityTracker (ID 1031018†) and Vulnerability Center (SBV-46436†). Additional details are provided at krebsonsecurity.com. Similar entries are available at VDB-67832, VDB-67831, VDB-67806 and VDB-67811. Once again VulDB remains the best source for vulnerability data.

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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 78431
Nessus Name: MS14-056: Cumulative Security Update for Internet Explorer (2987107)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS14-056
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
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Timelineinfo

04/12/2011 🔍
06/12/2014 +1157 days 🔍
10/14/2014 +124 days 🔍
10/14/2014 +0 days 🔍
10/14/2014 +0 days 🔍
10/14/2014 +0 days 🔍
10/14/2014 +0 days 🔍
10/15/2014 +1 days 🔍
10/15/2014 +0 days 🔍
02/22/2022 +2686 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS14-056
Researcher: Rohit Mothe (iDefense)
Organization: VeriSign iDefense Labs
Status: Confirmed

CVE: CVE-2014-4126 (🔍)
GCVE (CVE): GCVE-0-2014-4126
GCVE (VulDB): GCVE-100-67810

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 70328 - Microsoft Internet Explorer CVE-2014-4126 Remote Memory Corruption Vulnerability
Secunia: 60968
SecurityTracker: 1031018 - Microsoft Internet Explorer Mulitple Flaws Let Remote Users Execute Arbitrary Code and Bypass the ASLR Security Feature
Vulnerability Center: 46436 - [MS14-056] Internet Explorer 10 Through 11 Remote Host Privilege due to Memory Corruption - CVE-2014-4126, Critical

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/15/2014 11:22
Updated: 02/22/2022 00:55
Changes: 10/15/2014 11:22 (78), 04/07/2017 12:11 (13), 02/22/2022 00:55 (3)
Complete: 🔍
Cache ID: 216:3CF:103

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