Lucene search

K
kasperskyKaspersky LabKLA48823
HistoryApr 11, 2023 - 12:00 a.m.

KLA48823 Multiple vulnerabilities in Microsoft Office

2023-04-1100:00:00
Kaspersky Lab
threats.kaspersky.com
60

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

8.7 High

AI Score

Confidence

High

5.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:P/A:N

0.01 Low

EPSS

Percentile

83.0%

Detect date:

04/11/2023

Severity:

High

Description:

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface.

Affected products:

Microsoft Office 2019 for 32-bit editions
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft Publisher 2013 Service Pack 1 (64-bit editions)
Microsoft Publisher 2013 Service Pack 1 (32-bit editions)
Microsoft Publisher 2016 (64-bit edition)
Microsoft Publisher 2016 (32-bit edition)
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC for Mac 2021
Microsoft Publisher 2013 Service Pack 1 RT
Microsoft SharePoint Server 2019
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office 2019 for Mac

Solution:

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update component usually can be accessed from the Control Panel) and updates from the Update Options section, that are listed in your Office Account (Office Account tab usually can be accessed from the File menu)
Install Office updates

Original advisories:

CVE-2023-28311
CVE-2023-28288
CVE-2023-28285
CVE-2023-28287
CVE-2023-28295

Impacts:

ACE

Related products:

Microsoft Office

CVE-IDS:

CVE-2023-283117.8Critical
CVE-2023-282888.1Critical
CVE-2023-282857.8Critical
CVE-2023-282877.8Critical
CVE-2023-282957.8Critical

KB list:

5002385
5002383
5002221
5002381
5002213
5002373
5002375

Microsoft official advisories:

References

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

8.7 High

AI Score

Confidence

High

5.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:P/A:N

0.01 Low

EPSS

Percentile

83.0%