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

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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/01/2022). It is expected to see the exploit prices for this product decreasing in the near future.

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) and Tenable (79828). See 68389, 68390, 68391 and 68392 for similar entries.

Productinfo

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  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

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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: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Exposure Time: 🔍

Patch: MS14-080
TippingPoint: 🔍

McAfee IPS: 🔍
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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 (🔍)
OVAL: 🔍

X-Force: 98952 - Microsoft Internet Explorer code execution, High Risk
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
SecurityFocus: 71446 - Microsoft Internet Explorer CVE-2014-6327 Remote Memory Corruption Vulnerability

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: 🔍

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