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kasperskyKaspersky LabKLA60569
HistorySep 12, 2023 - 12:00 a.m.

KLA60569 DoS vulnerablity in Microsoft Browser

2023-09-1200:00:00
Kaspersky Lab
threats.kaspersky.com
13
microsoft
browser
vulnerability
dos
heap buffer overflow
exploit
edge
chromium-based
update
cve-2023-4863
advisories

8.8 High

CVSS3

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

8.6 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.46 Medium

EPSS

Percentile

97.3%

Detect date:

09/12/2023

Severity:

Critical

Description:

Heap buffer overflow vulnerability was found in Microsoft Browser. Malicious users can exploit this vulnerability to cause denial of service.

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Microsoft Edge (Chromium-based)

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

Original advisories:

CVE-2023-4863

Impacts:

DoS

Related products:

Microsoft Edge

CVE-IDS:

CVE-2023-48638.8Critical

Microsoft official advisories:

8.8 High

CVSS3

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

8.6 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.46 Medium

EPSS

Percentile

97.3%