Microsoft Internet Explorer 11 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Internet Explorer 11. Affected by this issue is some unknown functionality. The manipulation results in input validation. This vulnerability was named CVE-2014-6327. The attack may be performed from remote. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 11 (Web Browser). It has been classified as critical. Affected is an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The issue has been introduced in 06/26/2013. The weakness was presented 12/09/2014 by Garage4Hackers with Microsoft as MS14-080 as confirmed bulletin (Technet) via ZDI (Zero Day Initiative). The advisory is shared for download at technet.microsoft.com. This vulnerability is traded as CVE-2014-6327 since 09/11/2014. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 531 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 79828 (MS14-080: Cumulative Security Update for Internet Explorer (3008923)), 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 100218 (Microsoft Internet Explorer Cumulative Security Update (MS14-080)).

Applying the patch MS14-080 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 16742.

The vulnerability is also documented in the databases at X-Force (98952), Tenable (79828), SecurityFocus (BID 71446†), SecurityTracker (ID 1031315†) and Vulnerability Center (SBV-47500†). See VDB-68389, VDB-68390, VDB-68391 and VDB-68392 for similar entries. 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: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 79828
Nessus Name: MS14-080: Cumulative Security Update for Internet Explorer (3008923)
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: 🔍
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Patch: MS14-080
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

06/26/2013 🔍
09/11/2014 +442 days 🔍
12/09/2014 +89 days 🔍
12/09/2014 +0 days 🔍
12/09/2014 +0 days 🔍
12/09/2014 +0 days 🔍
12/09/2014 +0 days 🔍
12/09/2014 +0 days 🔍
12/10/2014 +1 days 🔍
12/10/2014 +0 days 🔍
12/11/2014 +1 days 🔍
03/01/2022 +2637 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS14-080
Researcher: Garage4Hackers
Organization: Microsoft
Status: Confirmed

CVE: CVE-2014-6327 (🔍)
GCVE (CVE): GCVE-0-2014-6327
GCVE (VulDB): GCVE-100-68388

OVAL: 🔍

X-Force: 98952 - Microsoft Internet Explorer code execution, High Risk
SecurityFocus: 71446 - Microsoft Internet Explorer CVE-2014-6327 Remote Memory Corruption Vulnerability
SecurityTracker: 1031315 - Microsoft Internet Explorer Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass XSS Filters, and Bypass ASLR Security Protections Permits Cross-Site Scripting Attacks
Vulnerability Center: 47500 - [MS14-080] Microsoft Internet Explorer 11 on Servers Remote Host Privilege due to Memory Corruption - CVE-2014-6327, Medium

See also: 🔍

Entryinfo

Created: 12/11/2014 11:52
Updated: 03/01/2022 07:24
Changes: 12/11/2014 11:52 (81), 04/07/2017 12:12 (8), 03/01/2022 07:19 (3), 03/01/2022 07:24 (1)
Complete: 🔍
Cache ID: 216:A6E:103

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