Authentication bypass in Cisco TelePresence Video Communication Server

1) Authentication bypass

EUVDB-ID: #VU99

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-1444

CWE-ID: CWE-255 - Credentials Management

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to lack of proper input validation of a trusted certificate. A remote unauthenticated attacker can bypass authentication and access internal HTTP system resources by connecting to the targeted device with a trusted certificate.

Successful exploitation of this vulnerability may result in disclosure of system information,

Mitigation

Patch for this vulnerability is avaliable through the Cisco Bug Search Tool.

Vulnerable software versions

Cisco TelePresence Video Communication Server: X8.1

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_telepresence_video_communication_server:X8.1:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160706-vcs

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.