Privilege escalation in Microsoft Dynamics CRM Server

Published: 2019-08-14 | Updated: 2019-08-14
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-1229
CWE ID CWE-94
Exploitation vector Network
Public exploit N/A
Vulnerable software Microsoft Dynamics 365 Subscribe
Vendor Microsoft

Security Advisory

This security advisory describes one low risk vulnerability.

1) Code Injection

Severity: Low

CVSSv3: 3.3 [CVSS:3.0/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 - Improper Control of Generation of Code ('Code Injection')

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

CPE External links

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

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.



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