#VU18485 Buffer overflow in Microsoft PowerPoint and Microsoft SharePoint Server


Published: 2019-05-15

Vulnerability identifier: #VU18485

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-8513

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft PowerPoint
Client/Desktop applications / Office applications
Microsoft SharePoint Server
Server applications / Application servers

Vendor: Microsoft

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 PowerPoint files. A remote attacker can create a specially crafted PowerPoint document, 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 PowerPoint:

Microsoft SharePoint Server: 2007


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8513


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