Microsoft Internet Explorer 6/7/8 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, which was classified as critical, has been found in Microsoft Internet Explorer 6/7/8 (Web Browser). Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft Internet Explorer 6 through 8 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 03/22/2001. The weakness was disclosed 12/09/2014 by Liu Long with Microsoft as MS14-080 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is handled as CVE-2014-8966 since 11/18/2014. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (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 5010 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 17138.

The vulnerability is also documented in the databases at X-Force (98968) and Tenable (79828). The entries 68388, 68389, 68390 and 68391 are pretty similar.

Productinfo

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  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

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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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VulDB Base Score: 🔍
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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: 🔍

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: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS14-080
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

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Timelineinfo

03/22/2001 🔍
11/18/2014 +4989 days 🔍
12/09/2014 +21 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: Liu Long
Organization: Microsoft
Status: Confirmed

CVE: CVE-2014-8966 (🔍)
OVAL: 🔍

X-Force: 98968 - 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: 47522 - [MS14-080] Microsoft Internet Explorer 6 through 8 on Servers Remote Host Privilege due to Memory Corruption - CVE-2014-8966, Medium
SecurityFocus: 71457 - Microsoft Internet Explorer CVE-2014-8966 Remote Memory Corruption Vulnerability

See also: 🔍

Entryinfo

Created: 12/11/2014 12:08
Updated: 03/01/2022 08:36
Changes: 12/11/2014 12:08 (80), 04/07/2017 12:12 (9), 03/01/2022 08:36 (3)
Complete: 🔍

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