KLA12161
Multiple vulnerabilities in Microsoft Browser

Updated: 03/28/2023
Detect date
?
04/29/2021
Severity
?
Warning
Description

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, spoof user interface.

Below is a complete list of vulnerabilities:

  1. A data validation vulnerability in V8 can be exploited to bypass security restrictions.
  2. A policy enforcement vulnerability in extensions component can be exploited to bypass security restrictions.
  3. A use after free vulnerability in Dev Tools can be exploited to cause denial of service or execute arbitrary code.
  4. A type confusion vulnerability in V8 can be exploited to cause denial of service.
  5. A heap buffer overflow vulnerability in ANGLE can be exploited to cause denial of service.
  6. A security UI vulnerability in downloads component can be exploited to spoof user interface.
Affected products

Microsoft Edge (Chromium-based)

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

Original advisories

CVE-2021-21231
CVE-2021-21230
CVE-2021-21232
CVE-2021-21229
CVE-2021-21227
CVE-2021-21233
CVE-2021-21228

Impacts
?
DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Microsoft Edge
CVE-IDS
?
Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region