Vulnerability identifier: #VU14398
Vulnerability risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft Office
Client/Desktop applications /
Office applications
Microsoft Word
Client/Desktop applications /
Office applications
Microsoft Office Web Apps
Client/Desktop applications /
Office applications
Microsoft Excel
Client/Desktop applications /
Office applications
Microsoft SharePoint Server
Server applications /
Application servers
Word Automation Services on Microsoft SharePoint 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 out-of-bounds read error when processing Microsoft Office documents. A remote unauthenticated attacker can create a specially crafted Office document, trick the victim into opening it, trigger out-of-bounds read and gain access to contents of memory.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft Office: 2013 - 2013 RT, 2010 Service Pack 2
Microsoft Word:
Microsoft SharePoint Server: 2013 - 2016
Word Automation Services on Microsoft SharePoint Server: 2010 Service Pack 2
Microsoft Office Web Apps: 2010 Service Pack 2 - 2013 Service Pack 1
Microsoft Excel:
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8378
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.