Microsoft Internet Explorer 10/11 Hyperlink input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.0$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Microsoft Internet Explorer 10/11 and classified as critical. Impacted is an unknown function of the component Hyperlink Handler. Performing a manipulation results in input validation. This vulnerability was named CVE-2018-8316. The attack may be initiated remotely. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer 10/11 (Web Browser). This affects an unknown part of the component Hyperlink Handler. 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 summary by CVE is:

A remote code execution vulnerability exists when Internet Explorer improperly validates hyperlinks before loading executable libraries, aka "Internet Explorer Remote Code Execution Vulnerability." This affects Internet Explorer 11, Internet Explorer 10.

The bug was discovered 08/14/2018. The weakness was presented 08/14/2018 with Zero Day Initiative as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is uniquely identified as CVE-2018-8316 since 03/14/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/01/2023). It is expected to see the exploit prices for this product decreasing in the near future. The advisory points out:

A remote code execution vulnerability exists when Internet Explorer improperly validates hyperlinks before loading executable libraries.

The vulnerability scanner Nessus provides a plugin with the ID 111685 (KB4343887: Windows 10 Version 1607 and Windows Server 2016 August 2018 Security Update (Foreshadow)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100341 (Microsoft Internet Explorer Security Update for August 2018).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111685) and SecurityFocus (BID 105013†). See VDB-122825, VDB-122827, VDB-122828 and VDB-122829 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.5
Vendor Vector (Microsoft): 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: 111685
Nessus Name: KB4343887: Windows 10 Version 1607 and Windows Server 2016 August 2018 Security Update (Foreshadow)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

03/14/2018 🔍
08/14/2018 +152 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/15/2018 +0 days 🔍
05/01/2023 +1720 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8316 (🔍)
GCVE (CVE): GCVE-0-2018-8316
GCVE (VulDB): GCVE-100-122853

OVAL: 🔍

SecurityFocus: 105013 - Microsoft Internet Explorer CVE-2018-8316 Remote Code Execution Vulnerability
SecurityTracker: 1041483

See also: 🔍

Entryinfo

Created: 08/14/2018 21:35
Updated: 05/01/2023 17:20
Changes: 08/14/2018 21:35 (87), 03/15/2020 14:00 (6), 05/01/2023 17:20 (4)
Complete: 🔍
Cache ID: 216::103

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