Multiple vulnerabilities in Microsoft Word



Published: 2020-07-14
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2020-1448
CVE-2020-1447
CVE-2020-1446
CWE-ID CWE-119
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Public exploit code for vulnerability #2 is available.
Public exploit code for vulnerability #3 is available.
Vulnerable software
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Microsoft SharePoint Server
Server applications / Application servers

Microsoft Office
Client/Desktop applications / Office applications

Microsoft Word
Client/Desktop applications / Office applications

Microsoft Office Web Apps
Client/Desktop applications / Office applications

Microsoft Office for Mac
Client/Desktop applications / Office applications

Office Online Server
Server applications / Other server solutions

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU29766

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-1448

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing Microsoft Word files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft SharePoint Server: 2016 - 2019

Microsoft Office: 2019

Office Online Server : 2016

Microsoft Word: 2013 RT Service Pack 1 - 2016

Microsoft Office Web Apps: 2013 Service Pack 1


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1448

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Buffer overflow

EUVDB-ID: #VU29771

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-1447

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing Microsoft Word files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft SharePoint Server: 2010 - 2019

Microsoft Office: 2010 Service Pack 2 - 2019 for Mac

Office Online Server : 2016

Microsoft Word: 2010 - 2016

Microsoft Office for Mac: 2016

Microsoft Office Web Apps: 2010 Service Pack 2 - 2013 Service Pack 1


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1447

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Buffer overflow

EUVDB-ID: #VU29772

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-1446

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing Microsoft Word files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft SharePoint Server: 2010 - 2019

Microsoft Office: 2010 Service Pack 2 - 2019 for Mac

Office Online Server : 2016

Microsoft Word: 2010 - 2016

Microsoft Office for Mac: 2016

Microsoft Office Web Apps: 2010 Service Pack 2 - 2013 Service Pack 1


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1446

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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