KLA12176
Multiple vulnerabilities in Microsoft Browser

Updated: 05/18/2021
Detect date
?
05/13/2021
Severity
?
Warning
Description

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

Below is a complete list of vulnerabilities:

  1. A use after free vulnerability in Notifications can be exploited to cause denial of service or execute arbitrary code.
  2. A type confusion vulnerability in V8 can be exploited to cause denial of service.
  3. A use after free vulnerability in Tab Strip can be exploited to cause denial of service or execute arbitrary code.
  4. A heap buffer overflow vulnerability in Reader Mode can be exploited to cause denial of service.
  5. A use after free vulnerability in File API can be exploited to cause denial of service or execute arbitrary code.
  6. A security UI vulnerability in Web App Installs can be exploiteed to spoof user interface.
  7. A race condition vulnerability in Aura can be exploited to bypass security restrictions.
  8. An out of bounds read vulnerability in Tab Groups can be exploited to cause denial of service.
  9. A heap buffer overflow vulnerability in History can be exploited to cause denial of service.
  10. An out of bounds write vulnerability in Tab Strip can be exploited to cause denial of service.
  11. An implementation vulnerability in Offline can be exploited to cause denial of service.
  12. A use after free vulnerability in Payments can be exploited to cause denial of service or execute arbitrary code.
  13. A heap buffer overflow vulnerability in Media Feeds can be exploited to cause denial of service.
  14. A use after free vulnerability in Autofill can be exploited to cause denial of service or execute arbitrary code.
Affected products

Microsoft Edge (Chromium-based)

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)

Original advisories

CVE-2021-30512
CVE-2021-30517
CVE-2021-30520
CVE-2021-30518
CVE-2021-30515
CVE-2021-30506
CVE-2021-30510
CVE-2021-30511
CVE-2021-30516
CVE-2021-30509
CVE-2021-30507
CVE-2021-30519
CVE-2021-30508
CVE-2021-30514
CVE-2021-30513

Impacts
?
ACE 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Microsoft Edge
CVE-IDS
?
CVE-2021-305070.0Unknown
CVE-2021-305160.0Unknown
CVE-2021-305190.0Unknown
CVE-2021-305150.0Unknown
CVE-2021-305060.0Unknown
CVE-2021-305140.0Unknown
CVE-2021-305170.0Unknown
CVE-2021-305130.0Unknown
CVE-2021-305180.0Unknown
CVE-2021-305090.0Unknown
CVE-2021-305080.0Unknown
CVE-2021-305120.0Unknown
CVE-2021-305200.0Unknown
CVE-2021-305100.0Unknown
CVE-2021-305110.0Unknown
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