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kasperskyKaspersky LabKLA48686
HistoryMar 24, 2023 - 12:00 a.m.

KLA48686 Multiple vulnerabilities in Microsoft Browser

2023-03-2400:00:00
Kaspersky Lab
threats.kaspersky.com
25
microsoft browser
denial of service
arbitrary code execution
gain privileges
angle
webhid
pdf
webprotect
passwords
gpu video
microsoft edge
chromium-based

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.8%

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

Below is a complete list of vulnerabilities:

  1. Out of bounds read vulnerability in ANGLE can be exploited to cause denial of service.
  2. Use after free vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
  3. A security feature bypass vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to execute arbitrary code.
  4. Out of bounds memory access vulnerability in WebHID can be exploited to cause denial of service.
  5. Use after free vulnerability in PDF can be exploited to cause denial of service or execute arbitrary code.
  6. Use after free vulnerability in WebProtect can be exploited to cause denial of service or execute arbitrary code.
  7. Out of bounds read vulnerability in GPU Video can be exploited to cause denial of service.
  8. Use after free vulnerability in Passwords can be exploited to cause denial of service or execute arbitrary code.
  9. An elevation of privilege vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to gain privileges.

Original advisories

CVE-2023-1534

CVE-2023-1531

CVE-2023-28286

CVE-2023-1529

CVE-2023-1530

CVE-2023-1533

CVE-2023-1532

CVE-2023-1528

CVE-2023-28261

Related products

Microsoft-Edge

CVE list

CVE-2023-1531 critical

CVE-2023-1534 critical

CVE-2023-1533 critical

CVE-2023-1528 critical

CVE-2023-1530 critical

CVE-2023-1529 critical

CVE-2023-1532 critical

CVE-2023-28286 high

CVE-2023-28261 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.

Affected Products

  • Microsoft Edge (Chromium-based)Microsoft Edge (Chromium-based) Extended Stable

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.8%