Information disclosure in Citrix XenMobile Server

1) Information disclosure

EUVDB-ID: #VU7191

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 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

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

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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