Information disclosure in Cisco Unified Communications Manager



| Updated: 2018-04-05
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-6440
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Unified Communications Manager (CallManager)
Server applications / Remote management servers, RDP, SSH

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU938

Risk: Low

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

CVE-ID: CVE-2016-6440

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated user to hijack important information on the target system.
The weakness is due to insufficient input sanitization of iframe data within the HTTP requests sent to the device. By sending a specially crafted HTTP packets with malicious iframe data and tricking the victim to click on a malicious link, attackers can conduct clickjacking or phishing attack.
Successful exploitation of the vulnerability will result in disclosure of valid user's credentials.

Mitigation

Update fixed versions:
11.5(0.98000.1070);
11.5(0.98000.284);
11.5(0.98000.346);
11.5(0.98000.768);
11.5(1.10000.3);
11.5(1.10000.6);
11.5(2.10000.2).

Vulnerable software versions

Unified Communications Manager (CallManager): 11.0.1.10000.10 - 11.5.1.10000.6

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161012-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.



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