Microsoft Internet Explorer 11 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer 11. The impacted element is an unknown function. Executing a manipulation can lead to access control. This vulnerability is handled as CVE-2018-8357. The attack can be executed remotely. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 11 (Web Browser). It has been declared as critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An elevation of privilege vulnerability exists in Microsoft browsers allowing sandbox escape, aka "Microsoft Browser Elevation of Privilege Vulnerability." This affects Internet Explorer 11, Microsoft Edge.

The bug was discovered 08/14/2018. The weakness was released 08/14/2018 by Kryptos Logic (window) with Kryptos Logic as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. The public release was coordinated with the vendor. This vulnerability was named CVE-2018-8357 since 03/14/2018. 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 structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/02/2023). It is expected to see the exploit prices for this product decreasing in the near future.This vulnerability is assigned to T1068 by the MITRE ATT&CK project. The advisory points out:

An elevation of privilege vulnerability exists in Microsoft browsers allowing sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system.

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 105022†). Entries connected to this vulnerability are available at VDB-122825, VDB-122827, VDB-122828 and VDB-122829. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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: 6.2

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

Vendor Base Score (Microsoft): 4.2
Vendor Vector (Microsoft): 🔍

NVD Base Score: 8.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

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 🔍
05/02/2023 +1721 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Kryptos Logic (window)
Organization: Kryptos Logic
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8357 (🔍)
GCVE (CVE): GCVE-0-2018-8357
GCVE (VulDB): GCVE-100-122866

OVAL: 🔍

SecurityFocus: 105022 - Microsoft Internet Explorer and Edge CVE-2018-8357 Remote Privilege Escalation Vulnerability
SecurityTracker: 1041457

See also: 🔍

Entryinfo

Created: 08/14/2018 21:44
Updated: 05/02/2023 07:29
Changes: 08/14/2018 21:44 (86), 03/15/2020 15:14 (8), 05/02/2023 07:29 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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