#VU6296 Use-after-free


Published: 2017-04-13 | Updated: 2017-05-12

Vulnerability identifier: #VU6296

Vulnerability risk: Critical

CVSSv3.1:

CVE-ID: CVE-2017-0261

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

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

The vulnerability exists due to a use-after-free error when processing EPS images within Microsoft Office files. A remote attacker can create a specially crafted Office file with malicious EPS image, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may allow an attacker to compromise vulnerable system.

Note: this vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft Office: 2010 - 2016


CPE

External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/2017-2605
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0261
http://www.fireeye.com/blog/threat-research/2017/05/eps-processing-zero-days.html
http://blogs.technet.microsoft.com/msrc/2017/05/09/coming-together-to-address-encapsulated-postscri...


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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