Vulnerability identifier: #VU64283

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-30159

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft SharePoint Server Subscription Edition
Server applications / Application servers
Microsoft Office Web Apps Server
Server applications / Application servers
Microsoft SharePoint Server
Server applications / Application servers
Microsoft SharePoint Enterprise Server
Server applications / Application servers
Office Online Server
Server applications / Other server solutions

Vendor: Microsoft

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 Office. 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

Microsoft SharePoint Server Subscription Edition: All versions

Microsoft Office Web Apps Server: 2013 Service Pack 1

Office Online Server : All versions

Microsoft SharePoint Server: 2019

Microsoft SharePoint Enterprise Server: 2013 Service Pack 1 - 2016

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External links
http://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-30159

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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.