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kasperskyKaspersky LabKLA20109
HistoryDec 05, 2022 - 12:00 a.m.

KLA20109 Multiple vulnerabilities in Microsoft Browser

2022-12-0500:00:00
Kaspersky Lab
threats.kaspersky.com
22
microsoft browser
vulnerabilities
denial of service
arbitrary code execution
security restrictions bypass
privilege escalation

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.8

Confidence

High

EPSS

0.006

Percentile

77.8%

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

Below is a complete list of vulnerabilities:

  1. Type confusion vulnerability in V8 can be exploited to cause denial of service.
  2. Use after free vulnerability in Forms can be exploited to cause denial of service or execute arbitrary code.
  3. Use after free vulnerability in Mojo can be exploited to cause denial of service or execute arbitrary code.
  4. Use after free vulnerability in Live Caption can be exploited to cause denial of service or execute arbitrary code.
  5. Data validation vulnerability in Directory can be exploited to cause denial of service.
  6. Policy enforcement vulnerability in Popup Blocker can be exploited to cause denial of service.
  7. Validation of untrusted input vulnerability in CORS can be exploited to cause denial of service.
  8. Implementation vulnerability in Navigation can be exploited to cause denial of service.
  9. Use after free vulnerability in Extensions can be exploited to cause denial of service or execute arbitrary code.
  10. Policy enforcement vulnerability in Safe Browsing can be exploited to cause denial of service.
  11. Use after free vulnerability in Audio can be exploited to cause denial of service or execute arbitrary code.
  12. Use after free vulnerability in Sign-In can be exploited to cause denial of service or execute arbitrary code.
  13. Implementation vulnerability in Fenced Frames can be exploited to cause denial of service.
  14. Policy enforcement vulnerability in DevTools can be exploited to cause denial of service.
  15. Validation of untrusted input vulnerability in Downloads can be exploited to cause denial of service.
  16. Policy enforcement vulnerability in File System API can be exploited to cause denial of service.
  17. Use after free vulnerability in Camera Capture can be exploited to cause denial of service or execute arbitrary code.
  18. Policy enforcement vulnerability in Autofill can be exploited to cause denial of service.
  19. Use after free vulnerability in Accessibility can be exploited to cause denial of service or execute arbitrary code.
  20. An elevation of privilege vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to gain privileges.
  21. A spoofing vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to spoof user interface.
  22. An elevation of privilege vulnerability in Microsoft Edge (Chromium-based) Update can be exploited remotely to gain privileges.

Original advisories

CVE-2022-44708

CVE-2022-4195

CVE-2022-4191

CVE-2022-4185

CVE-2022-4189

CVE-2022-4179

CVE-2022-4183

CVE-2022-4193

CVE-2022-4184

CVE-2022-4186

CVE-2022-44688

CVE-2022-4192

CVE-2022-4190

CVE-2022-4182

CVE-2022-4188

CVE-2022-4187

CVE-2022-41115

CVE-2022-4194

CVE-2022-4174

CVE-2022-4181

CVE-2022-4180

CVE-2022-4177

CVE-2022-4175

CVE-2022-4178

CVE-2022-4262

Exploitation

Public exploits exist for this vulnerability.

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

Related products

Microsoft-Edge

CVE list

CVE-2022-4174 critical

CVE-2022-4181 critical

CVE-2022-4180 critical

CVE-2022-4192 critical

CVE-2022-4190 critical

CVE-2022-4183 warning

CVE-2022-4188 warning

CVE-2022-4185 warning

CVE-2022-4177 critical

CVE-2022-4195 warning

CVE-2022-4179 critical

CVE-2022-4191 critical

CVE-2022-4182 warning

CVE-2022-4189 warning

CVE-2022-4186 warning

CVE-2022-4187 high

CVE-2022-4193 critical

CVE-2022-4175 critical

CVE-2022-4178 critical

CVE-2022-4184 warning

CVE-2022-4194 critical

CVE-2022-4262 critical

CVE-2022-44708 critical

CVE-2022-44688 warning

CVE-2022-41115 high

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) UpdaterMicrosoft Edge for iOSMicrosoft Edge (Chromium-based)

References

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.8

Confidence

High

EPSS

0.006

Percentile

77.8%