Multiple vulnerabilities in Microsoft Word



Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2022-41061
CVE-2022-41103
CVE-2022-41060
CWE-ID CWE-20
CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Office Online Server
Server applications / Other server solutions

Microsoft Word
Client/Desktop applications / Office applications

Microsoft Office for Mac
Client/Desktop applications / Office applications

Microsoft Office
Client/Desktop applications / Office applications

Microsoft 365 Apps for Enterprise
Client/Desktop applications / Office applications

Microsoft SharePoint Server
Server applications / Application servers

Microsoft Office Web Apps Server
Server applications / Application servers

SharePoint Server Subscription Edition Language Pack
Server applications / Application servers

Microsoft SharePoint Server Subscription Edition
Server applications / Application servers

Microsoft SharePoint Enterprise Server
Server applications / Application servers

Microsoft Office LTSC
Client/Desktop applications / Other client software

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU69085

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-41061

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Word. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Office Online Server: All versions

Microsoft Word: 2013 RT Service Pack 1 - 2016

Microsoft SharePoint Server: 2019

Microsoft Office Web Apps Server: 2013 Service Pack 1

SharePoint Server Subscription Edition Language Pack: All versions

Microsoft SharePoint Server Subscription Edition: All versions

Microsoft SharePoint Enterprise Server: 2013 Service Pack 1 - 2016

Microsoft Office for Mac: 2019

Microsoft Office: 2019 for Mac

Microsoft 365 Apps for Enterprise: 32-bit Systems - 64-bit Systems

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41061


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU69086

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-41103

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Microsoft Word. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SharePoint Server Subscription Edition Language Pack: All versions

Microsoft Word: 2013 RT Service Pack 1 - 2016

Microsoft SharePoint Server Subscription Edition: All versions

Microsoft SharePoint Server: 2019

Microsoft SharePoint Enterprise Server: 2013 Service Pack 1 - 2016

Microsoft Office Web Apps Server: 2013 Service Pack 1

Office Online Server: All versions

Microsoft Office LTSC: 32 bit editions - 64 bit editions

Microsoft Office: 2019

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41103


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Information disclosure

EUVDB-ID: #VU69087

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-41060

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Microsoft Word. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SharePoint Server Subscription Edition Language Pack: All versions

Microsoft Word: 2013 RT Service Pack 1 - 2016

Microsoft SharePoint Server: 2019

Microsoft SharePoint Enterprise Server: 2013 Service Pack 1 - 2016

Microsoft Office Web Apps Server: 2013 Service Pack 1

Office Online Server: All versions

Microsoft Office LTSC: 32 bit editions - 64 bit editions

Microsoft Office: 2019

Microsoft 365 Apps for Enterprise: 32-bit Systems - 64-bit Systems

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41060


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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