An information disclosure vulnerability exists when Microsoft Word improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data. To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created. The update addresses the vulnerability by changing the way certain Word functions handle objects in memory.

The Microsoft Word Products are missing security updates. It is, therefore, affected by multiple vulnerabilities :

  - An information disclosure vulnerability exists when     Microsoft Word improperly discloses the contents of its     memory. An attacker who exploited the vulnerability     could use the information to compromise the user’s     computer or data.  (CVE-2020-1502)

  - An information disclosure vulnerability exists when     Microsoft Word improperly discloses the contents of its     memory. An attacker who exploited the vulnerability     could use the information to compromise the users     computer or data.  (CVE-2020-1503, CVE-2020-1583)

According to its self-reported version number, the Microsoft SharePoint application running on the remote host is affected by multiple vulnerabilities :

 - A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server.

 - An information disclosure vulnerability exists when Microsoft SharePoint Server fails to properly handle objects in memory.

 - A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

The Microsoft Office Online Server or Microsoft Office Web Apps installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

  - A remote code execution vulnerability exists in     Microsoft Excel software when the software fails to     properly handle objects in memory. An attacker who     successfully exploited the vulnerability could run     arbitrary code in the context of the current user. If     the current user is logged on with administrative user     rights, an attacker could take control of the affected     system. An attacker could then install programs; view,     change, or delete data; or create new accounts with full     user rights.  (CVE-2020-1495)

  - An information disclosure vulnerability exists when     Microsoft Word improperly discloses the contents of its     memory. An attacker who exploited the vulnerability     could use the information to compromise the users     computer or data.  (CVE-2020-1502, CVE-2020-1503,     CVE-2020-1583)

The Microsoft SharePoint Server installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

  - A spoofing vulnerability exists when Microsoft     SharePoint Server does not properly sanitize a specially     crafted web request to an affected SharePoint server. An     authenticated attacker could exploit the vulnerability     by sending a specially crafted request to an affected     SharePoint server. The attacker who successfully     exploited the vulnerability could then perform cross-     site scripting attacks on affected systems and run     script in the security context of the current user.
    These attacks could allow the attacker to read content     that the attacker is not authorized to read, use the     victim's identity to take actions on the SharePoint site     on behalf of the user, such as change permissions and     delete content, and inject malicious content in the     browser of the user. The security update addresses the     vulnerability by helping to ensure that SharePoint     Server properly sanitizes web requests. (CVE-2020-1499,     CVE-2020-1500, CVE-2020-1501)

  - An information disclosure vulnerability exists when     Microsoft SharePoint Server fails to properly handle     objects in memory. An attacker who successfully     exploited this vulnerability could obtain information to     further compromise the users system.  (CVE-2020-1505)

  - An information disclosure vulnerability exists when     Microsoft Word improperly discloses the contents of its     memory. An attacker who exploited the vulnerability     could use the information to compromise the users     computer or data.  (CVE-2020-1502, CVE-2020-1503,     CVE-2020-1583)

  - A cross-site-scripting (XSS) vulnerability exists when     Microsoft SharePoint Server does not properly sanitize a     specially crafted web request to an affected SharePoint     server. An authenticated attacker could exploit the     vulnerability by sending a specially crafted request to     an affected SharePoint server. The attacker who     successfully exploited the vulnerability could then     perform cross-site scripting attacks on affected systems     and run script in the security context of the current     user. The attacks could allow the attacker to read     content that the attacker is not authorized to read, use     the victim's identity to take actions on the SharePoint     site on behalf of the user, such as change permissions     and delete content, and inject malicious content in the     browser of the user. The security update addresses the     vulnerability by helping to ensure that SharePoint     Server properly sanitizes web requests. (CVE-2020-1573,     CVE-2020-1580)

ID	Name	Product	Family	Severity
162040	Security Updates for Microsoft Word Products C2R (August 2020)	Nessus	Windows	high
112589	Microsoft SharePoint Server 2010 < 14.0.7256.5000 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	high
112588	Microsoft SharePoint Server 2019 < 16.0.10364.20001 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	high
112587	Microsoft SharePoint Server 2013 < 15.0.5267.1000 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	high
112586	Microsoft SharePoint Server 2016 < 16.0.5044.1000 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	high
139507	Security Updates for Microsoft Word Products (August 2020)	Nessus	Windows : Microsoft Bulletins	high
139504	Security Updates for Microsoft Office Online Server and Microsoft Office Web Apps (August 2020)	Nessus	Windows : Microsoft Bulletins	high
139503	Security Updates for Microsoft SharePoint Server 2019 (August 2020)	Nessus	Windows : Microsoft Bulletins	high

Detections

Analytics

CVE-2020-1502

medium

Tenable Plugins

high

high

high

high

high

high

high

high