#VU9468 Cross-site scripting in Unified Communications Manager (CallManager) - CVE-2017-12357

Vulnerability identifier: #VU9468

Vulnerability risk: Low

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

CVE-ID: CVE-2017-12357

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Unified Communications Manager (CallManager)
Server applications / Remote management servers, RDP, SSH

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists in the web-based management interface due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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
The vulnerability addressed in the following versions: UCMAP.12.5(0.98000.37), UCMAP.12.1(1.10000.3), CUP.12.5(0.98000.84), CUP.12.0(1.21900.1), CUP.12.0(1.21000.1), CUC.12.0(1.21900.5), CCM.12.5(0.98000.69), CCM.12.0(1.21900.1), CCM.12.0(1.21004.1), CCM.11.5(1.14063.1), CCM.11.0(1.24085.1), CCM.10.5(2.17137.1).

Vulnerable software versions

Unified Communications Manager (CallManager): 10.5.2.10000.5 - 12.0.1.10000.10

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-cucm

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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