Vulnerability identifier: #VU13304

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-2018-8245

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Publisher
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 an error when processing OLE objects within Microsoft Publisher documents. The application does not properly utilize features that locks down the Local Machine zone when instantiating OLE objects. As a result, the attacker can create a specially crafted Microsoft Publisher document, trick the user to open it and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Publisher:

---

External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8245

---

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.