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kasperskyKaspersky LabKLA71827
HistoryAug 22, 2024 - 12:00 a.m.

KLA71827 Multiple vulnerabilities in Microsoft Browser

2024-08-2200:00:00
Kaspersky Lab
threats.kaspersky.com
12
microsoft browser
arbitrary code execution
privilege escalation
denial of service
inappropriate implementation vulnerability
insufficient data validation vulnerability
memory corruption vulnerability
remote code execution vulnerability
use after free vulnerability
heap buffer overflow vulnerability
type confusion vulnerability
spoofing vulnerability
cve-2024-7976
cve-2024-8033
cve-2024-7979
cve-2024-38207
cve-2024-7975
cve-2024-7981
cve-2024-7978
cve-2024-7977
cve-2024-41879
cve-2024-7965
cve-2024-38210
cve-2024-7964
cve-2024-8035
cve-2024-7967
cve-2024-7974
cve-2024-7973
cve-2024-38209
cve-2024-7969

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

10

Confidence

High

EPSS

0.258

Percentile

96.8%

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

Below is a complete list of vulnerabilities:

  1. Inappropriate implementation vulnerability in FedCM can be exploited to cause denial of service.
  2. Inappropriate implementation vulnerability in WebApp can be exploited to cause denial of service.
  3. Insufficient data validation vulnerability in Installer can be exploited to bypass security restrictions.
  4. A memory corruption vulnerability in Microsoft Edge (HTML-based) can be exploited remotely to execute arbitrary code.
  5. Inappropriate implementation vulnerability in Permissions can be exploited to cause denial of service.
  6. Inappropriate implementation vulnerability in Views can be exploited to cause denial of service.
  7. Insufficient policy enforcement vulnerability in Data Transfer can be exploited to bypass security restrictions.
  8. A remote code execution vulnerability in Adobe PDF Viewer can be exploited remotely to execute arbitrary code.
  9. Inappropriate implementation vulnerability in V8 can be exploited to cause denial of service.
  10. A remote code execution vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to execute arbitrary code.
  11. Use after free vulnerability in Passwords can be exploited to cause denial of service or execute arbitrary code.
  12. Inappropriate implementation vulnerability in Extensions can be exploited to cause denial of service.
  13. Heap buffer overflow vulnerability in Fonts can be exploited to cause denial of service.
  14. Insufficient data validation vulnerability in V8 API can be exploited to bypass security restrictions.
  15. Heap buffer overflow vulnerability in PDFium can be exploited to cause denial of service.
  16. Type confusion vulnerability in V8 can be exploited to cause denial of service.
  17. Out of bounds memory read vulnerability in Skia can be exploited to cause denial of service.
  18. Use after free vulnerability in Autofill can be exploited to cause denial of service or execute arbitrary code.
  19. Inappropriate implementation vulnerability in Custom can be exploited to cause denial of service.
  20. A spoofing vulnerability in Microsoft Edge for Android can be exploited remotely to spoof user interface.

Original advisories

CVE-2024-7976

CVE-2024-8033

CVE-2024-7979

CVE-2024-38207

CVE-2024-7975

CVE-2024-7981

CVE-2024-7978

CVE-2024-7977

CVE-2024-41879

CVE-2024-7965

CVE-2024-38210

CVE-2024-7964

CVE-2024-8035

CVE-2024-7967

CVE-2024-7974

CVE-2024-7973

CVE-2024-38209

CVE-2024-7969

CVE-2024-7966

CVE-2024-7968

CVE-2024-7972

CVE-2024-8034

CVE-2024-38208

CVE-2024-7971

CVE-2024-7980

Related products

Microsoft-Edge

CVE list

CVE-2024-7967 unknown

CVE-2024-7969 unknown

CVE-2024-7973 unknown

CVE-2024-7976 unknown

CVE-2024-7979 unknown

CVE-2024-7981 unknown

CVE-2024-7975 unknown

CVE-2024-7965 unknown

CVE-2024-7966 unknown

CVE-2024-7978 unknown

CVE-2024-8033 unknown

CVE-2024-7964 unknown

CVE-2024-7971 unknown

CVE-2024-7980 unknown

CVE-2024-8035 unknown

CVE-2024-7974 unknown

CVE-2024-8034 unknown

CVE-2024-7968 unknown

CVE-2024-7977 unknown

CVE-2024-7972 unknown

CVE-2024-38207 high

CVE-2024-41879 unknown

CVE-2024-38210 high

CVE-2024-38209 high

CVE-2024-38208 high

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)Microsoft Edge for Android

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

10

Confidence

High

EPSS

0.258

Percentile

96.8%