#VU938 Information disclosure in Unified Communications Manager (CallManager) - CVE-2016-6440
Vulnerability identifier: #VU938
Vulnerability 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
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 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
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.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
