KLA12351
Multiple vulnerabilities in Microsoft Browser

Updated: 11/25/2021
Detect date
?
11/19/2021
Severity
?
Warning
Description

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

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability in storage foundation can be exploited to cause denial of service or execute arbitrary code.
  2. Policy enforcement vulnerability in CORS can be exploited to bypass security restrictions.
  3. Implementation vulnerability in cache can be exploited to cause denial of service.
  4. Implementation vulnerability in service can be exploited to cause denial of service.
  5. Implementation vulnerability in input can be exploited to cause denial of service.
  6. Type confusion vulnerability in V8 can be exploited to cause denial of service.
  7. Spoofing vulnerability in Microsoft Edge can be exploited to spoof user interface.
  8. Spoofing vulnerability in Microsoft Edge for iOS can be exploited to spoof user interface.
  9. Remote code execution vulnerability in Microsoft Edge can be exploited remotely to execute arbitrary code.
  10. Implementation vulnerability in WebAuthentication can be exploited to cause denial of service.
  11. Heap buffer overflow vulnerability in fingerprint recognition can be exploited to cause denial of service.
  12. Implementation vulnerability in navigation can be exploited to cause denial of service.
  13. Policy enforcement vulnerability in sandbox can be exploited to bypass security restrictions.
  14. Policy enforcement vulnerability in contacts picker can be exploited to bypass security restrictions.
  15. Implementation vulnerability in referrer can be exploited to cause denial of service.
  16. Use after free vulnerability in media can be exploited to cause denial of service or execute arbitrary code.
  17. Use after free vulnerability in loader can be exploited to cause denial of service or execute arbitrary code.
  18. Policy enforcement vulnerability in background fetch can be exploited to bypass security restrictions.
  19. Out of bounds write vulnerability in Swiftshader can be exploited to cause denial of service or execute arbitrary code.
Affected products

Microsoft Edge (Chromium-based)
Microsoft Edge for iOS

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-2021-38011
CVE-2021-38019
CVE-2021-38009
CVE-2021-38010
CVE-2021-38015
CVE-2021-38012
CVE-2021-42308
CVE-2021-43220
CVE-2021-43221
CVE-2021-38006
CVE-2021-38007
CVE-2021-38022
CVE-2021-38013
CVE-2021-38018
CVE-2021-38017
CVE-2021-38020
CVE-2021-38021
CVE-2021-38008
CVE-2021-38005
CVE-2021-38016
CVE-2021-38014

Impacts
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ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Microsoft Edge
CVE-IDS
?
CVE-2021-380110.0Unknown
CVE-2021-380100.0Unknown
CVE-2021-380120.0Unknown
CVE-2021-380190.0Unknown
CVE-2021-380060.0Unknown
CVE-2021-380080.0Unknown
CVE-2021-380210.0Unknown
CVE-2021-380050.0Unknown
CVE-2021-380150.0Unknown
CVE-2021-380170.0Unknown
CVE-2021-380130.0Unknown
CVE-2021-380200.0Unknown
CVE-2021-380160.0Unknown
CVE-2021-380140.0Unknown
CVE-2021-380070.0Unknown
CVE-2021-380090.0Unknown
CVE-2021-380180.0Unknown
CVE-2021-380220.0Unknown
CVE-2021-423080.0Unknown
CVE-2021-432200.0Unknown
CVE-2021-432210.0Unknown
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