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kasperskyKaspersky LabKLA19254
HistorySep 15, 2022 - 12:00 a.m.

KLA19254 Multiple vulnerabilities in Microsoft Browser

2022-09-1500:00:00
Kaspersky Lab
threats.kaspersky.com
19
microsoft browser
arbitrary code execution
denial of service
use after free vulnerability
heap buffer overflow
out of bounds write
storage
frames
internals
pdf
exploit
microsoft edge
security bypass

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

0.011

Percentile

84.8%

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

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability in PDF can be exploited to cause denial of service or execute arbitrary code.
  2. Heap buffer overflow vulnerability in Internals can be exploited to cause denial of service.
  3. Use after free vulnerability in Frames can be exploited to cause denial of service or execute arbitrary code.
  4. Out of bounds write vulnerability in Storage can be exploited to cause denial of service.

Original advisories

CVE-2022-3198

CVE-2022-3196

CVE-2022-3197

CVE-2022-3200

CVE-2022-3199

CVE-2022-3195

Exploitation

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

Related products

Microsoft-Edge

CVE list

CVE-2022-3196 critical

CVE-2022-3198 critical

CVE-2022-3195 critical

CVE-2022-3200 critical

CVE-2022-3197 critical

CVE-2022-3199 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.

  • SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

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

10

Confidence

High

EPSS

0.011

Percentile

84.8%