Vulnerability identifier: #VU20287

Vulnerability risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1229

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Dynamics 365
Web applications / CRM systems

Vendor: Microsoft

Description

The vulnerability allows a remote authenticated attacker to escalate privileges on the system.

The vulnerability exists due to improper input validation when processing XAML scripts. A remote privileged user with permission to author customized business rules in Dynamics can create a specially crafted XAML script and execute it on the system.

Successful exploitation of this vulnerability may allow an attacker to gain control of the Web Role hosting the Dynamics installation

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Dynamics 365: 9.0

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1229

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.