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Kaspersky LabKLA11667

HistoryFeb 11, 2020 - 12:00 a.m.

KLA11667 Multiple vulnerabilities in Microsoft Browser

2020-02-1100:00:00

Kaspersky Lab

threats.kaspersky.com

CVSS2

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.4

Confidence

High

EPSS

0.972

Percentile

99.9%

JSON

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to gain privileges, execute arbitrary code, obtain sensitive information.

Below is a complete list of vulnerabilities:

An elevation of privilege vulnerability in Microsoft Edge can be exploited remotely via specially crafted content to gain privileges.
A memory corruption vulnerability in Scripting Engine can be exploited remotely to execute arbitrary code.
An information disclosure vulnerability in Microsoft Browser can be exploited remotely via specially crafted content to obtain sensitive information.
A memory corruption vulnerability in Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.

Original advisories

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Internet-Explorer

Microsoft-Edge

ChakraCore

CVE list

CVE-2020-0663 warning

CVE-2020-0767 critical

CVE-2020-0706 warning

CVE-2020-0713 critical

CVE-2020-0712 critical

CVE-2020-0711 critical

CVE-2020-0710 critical

CVE-2020-0674 critical

CVE-2020-0673 critical

KB list

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.