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kasperskyKaspersky LabKLA49015
HistoryApr 20, 2023 - 12:00 a.m.

KLA49015 Multiple vulnerabilities in Microsoft Browser

2023-04-2000:00:00
Kaspersky Lab
threats.kaspersky.com
18
microsoft edge
chromium-based
denial of service
arbitrary code execution
install updates
cve-2023-2133
cve-2023-2135
cve-2023-2137
cve-2023-2134
ace
microsoft official advisories

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

9.5

Confidence

High

EPSS

0.003

Percentile

68.3%

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

Below is a complete list of vulnerabilities:

  1. Out of bounds memory access vulnerability in Service Worker API can be exploited to cause denial of service.
  2. Use after free vulnerability in DevTools can be exploited to cause denial of service or execute arbitrary code.
  3. Heap buffer overflow vulnerability in sqlite can be exploited to cause denial of service.

Original advisories

CVE-2023-2133

CVE-2023-2135

CVE-2023-2137

CVE-2023-2134

Related products

Microsoft-Edge

CVE list

CVE-2023-2134 critical

CVE-2023-2133 critical

CVE-2023-2135 critical

CVE-2023-2137 critical

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.

Affected Products

  • Microsoft Edge (Chromium-based)

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

9.5

Confidence

High

EPSS

0.003

Percentile

68.3%