Microsoft Internet Explorer 9/10/11 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 9/10/11. It has been rated as critical. Impacted is an unknown function. This manipulation causes memory corruption. This vulnerability is handled as CVE-2018-1020. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Internet Explorer 9/10/11 (Web Browser). Affected by this vulnerability is an unknown function. 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, integrity, and availability.

The bug was discovered 04/10/2018. The weakness was released 04/10/2018 with Microsoft as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. This vulnerability is known as CVE-2018-1020 since 12/01/2017. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/09/2021). 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 accesses objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, the attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

The vulnerability scanner Nessus provides a plugin with the ID 108965 (KB4093115: Windows 8.1 and Windows Server 2012 R2 April 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 100334 (Microsoft Internet Explorer Security Update for April 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 (108965) and SecurityFocus (BID 103612†). Entries connected to this vulnerability are available at VDB-115990, VDB-115993, VDB-115995 and VDB-115997. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 108965
Nessus Name: KB4093115: Windows 8.1 and Windows Server 2012 R2 April 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 61287
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4093111)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

12/01/2017 🔍
04/10/2018 +130 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/11/2018 +0 days 🔍
04/11/2018 +0 days 🔍
02/09/2021 +1035 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1020 (🔍)
GCVE (CVE): GCVE-0-2018-1020
GCVE (VulDB): GCVE-100-116011

OVAL: 🔍

SecurityFocus: 103612 - Microsoft Internet Explorer CVE-2018-1020 Remote Memory Corruption Vulnerability
SecurityTracker: 1040653

See also: 🔍

Entryinfo

Created: 04/11/2018 14:17
Updated: 02/09/2021 12:20
Changes: 04/11/2018 14:17 (86), 01/23/2020 19:45 (6), 02/09/2021 12:20 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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