Cross-frame scripting in Cisco Unified Communications Manager

1) Cross-frame scripting

EUVDB-ID: #VU8709

Risk: Low

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

CVE-ID: CVE-2017-12258

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute a cross-frame scripting (XFS) attack.

The weakness exists in the web-based UI of Cisco Unified Communications Manager due to insufficient protections for HTML inline frames (iframes). A remote attacker can direct the victim to a specially crafted website containing a malicious HTML inline frame and conduct XFS attack.

Successful exploitation of the vulnerability may allow attacker to conduct click-jacking or other types of client-side browser attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Unified Communications Manager (CallManager): 9.1.2

CPE2.3

• cpe:2.3:a:cisco_systems:unified_communications_manager_callmanager:9.1.2:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ucm

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.