Microsoft Internet Explorer 11 Scripting Engine memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 11. It has been classified as problematic. The affected element is an unknown function of the component Scripting Engine. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2018-8452. The attack is possible to be carried out remotely. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Internet Explorer 11 (Web Browser). Affected by this vulnerability is an unknown code block of the component Scripting Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality.

The bug was discovered 09/11/2018. The weakness was disclosed 09/11/2018 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with Microsoft. This vulnerability is known as CVE-2018-8452 since 03/14/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 05/08/2023). It is expected to see the exploit prices for this product decreasing in the near future. The advisory points out:

An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.

The vulnerability scanner Nessus provides a plugin with the ID 117414 (KB4457132: Windows 10 September 2018 Security Update), 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 100343 (Microsoft Internet Explorer Security Update for September 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 (117414) and SecurityFocus (BID 105252†). The entries VDB-123824, VDB-123826, VDB-123830 and VDB-123831 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.3
Vendor Vector (Microsoft): 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 117414
Nessus Name: KB4457132: Windows 10 September 2018 Security Update
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 🔍
09/11/2018 +180 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/12/2018 +0 days 🔍
09/12/2018 +0 days 🔍
05/08/2023 +1699 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8452 (🔍)
GCVE (CVE): GCVE-0-2018-8452
GCVE (VulDB): GCVE-100-123877

OVAL: 🔍

SecurityFocus: 105252 - Microsoft Internet Explorer and Edge CVE-2018-8452 Information Disclosure Vulnerability
SecurityTracker: 1041623

See also: 🔍

Entryinfo

Created: 09/12/2018 09:25
Updated: 05/08/2023 14:13
Changes: 09/12/2018 09:25 (86), 04/02/2020 08:26 (5), 05/08/2023 14:13 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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