#VU7225 Memory corruption in Microsoft Server applications


Published: 2017-06-13 | Updated: 2017-06-28

Vulnerability identifier: #VU7225

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-8511

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications
Microsoft PowerPoint
Client/Desktop applications / Office applications
Microsoft PowerPoint for Mac
Client/Desktop applications / Office applications
Microsoft SharePoint Server
Server applications / Application servers
Microsoft Office Web Apps Server
Server applications / Application servers
Office Online Server
Server applications / Other server solutions

Vendor: Microsoft

Description

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

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

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 2010 Service Pack 2, 2013

Microsoft PowerPoint:

Microsoft SharePoint Server: 2013 - 2016

Microsoft PowerPoint for Mac: 2011 - 2016

Office Online Server : 2016

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


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8511


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.


Latest bulletins with this vulnerability