KLA12572 Multiple vulnerabilities in Microsoft Browser

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, gain privileges.

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in Base can be exploited to cause denial of service or execute arbitrary code.
2. Inappropriate implementation vulnerability in Extensions API can be exploited to cause denial of service.
3. An elevation of privilege vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to gain privileges.
4. Type confusion vulnerability in V8 can be exploited to cause denial of service.
5. Use after free vulnerability in WebApp Provider can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in Interest groups can be exploited to cause denial of service or execute arbitrary code.
7. Insufficient data validation in URL formatting can be exploited to cause denial of service.
8. Insufficient policy enforcement in DevTools can be exploited to cause denial of service.
9. Insufficient policy enforcement in File System API can be exploited to cause denial of service
10. Use after free vulnerability in Cast UI and Toolbar can be exploited to cause denial of service or execute arbitrary code.

Original advisories

CVE-2022-2156

CVE-2022-2164

CVE-2022-30192

CVE-2022-2158

CVE-2022-2161

CVE-2022-2157

CVE-2022-2165

CVE-2022-2160

CVE-2022-33638

CVE-2022-2162

CVE-2022-2163

Related products

Microsoft-Edge

CVE list

CVE-2022-2160 high

CVE-2022-2164 high

CVE-2022-2165 warning

CVE-2022-2158 critical

CVE-2022-2163 critical

CVE-2022-2157 critical

CVE-2022-2156 critical

CVE-2022-2162 critical

CVE-2022-2161 critical

CVE-2022-30192 critical

CVE-2022-33638 critical

KB list

Solution

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)

Microsoft Edge update settings

Impacts

• ACE

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

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• PE

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

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Microsoft Edge (Chromium-based)