Vulnerability identifier: #VU7191

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9231

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Citrix XenMobile Server
Server applications / Web servers

Vendor: Citrix

Description
The vulnerability allows a remote attacker to perform an XXE attack.

The vulnerability exists due to insufficient validation of user-supplied data. A remote attacker can supply specially crafted XML External Entity (XXE) data to read arbitrary files with the privileges of the target service.

Successful exploitation of the vulnerability results in information disclosure.

Mitigation
Update to version 10.5 RP3.

Vulnerable software versions

Citrix XenMobile Server: 9.0 - 10.5

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External links
http://support.citrix.com/article/CTX220138

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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.