Microsoft PDF Memory Corruption Vulnerability

1) Memory corruption

EUVDB-ID: #VU5975

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-2017-0023

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to boundary error when processing PDF files in Microsoft Windows PDF Library. A remote unauthenticated attacker can create a specially crafted PDF 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 Microsoft website.

Vulnerable software versions

Windows: 8.1 - 10

Windows Server: 2012 - 2016 10.0.14393.10

CPE2.3

• cpe:2.3:o:microsoft:windows:8.1 RT:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2012:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2012 R2:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:*

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0023

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.