#VU6528 Cross-site scripting in Blackberry Enterprise Service and BlackBerry Unified Endpoint Manager - CVE-2017-3894

Vulnerability identifier: #VU6528

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-3894

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Blackberry Enterprise Service
Client/Desktop applications / Messaging software
BlackBerry Unified Endpoint Manager
Web applications / Other software

Vendor: BlackBerry

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability is caused by incorrect filtration of input data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim’s browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Update to the version 12.6.2.

Vulnerable software versions

Blackberry Enterprise Service: 12.0 - 12.5.2

BlackBerry Unified Endpoint Manager: 12.4 - 12.6.1

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External links
https://support.blackberry.com/kb/articleDetail?articleNumber=000044565

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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.