#VU22609 Input validation error


Published: 2019-11-08

Vulnerability identifier: #VU22609

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15288

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco TelePresence Codec (TC)
Server applications / Conferencing, Collaboration and VoIP solutions
Cisco TelePresence Collaboration Endpoint (CE)
Hardware solutions / Office equipment, IP-phones, print servers
Cisco RoomOS
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to escalate privileges to an unrestricted user of the restricted shell.

The vulnerability exists due to insufficient validation of user-supplied input in the CLI. A remote authenticated attacker can include specific arguments when opening an SSH connection to an affected device and gain unrestricted user access to the restricted shell of an affected device.

Note: This vulnerability affects Cisco RoomOS Software releases earlier than RoomOS September Drop 1 2019 that have the SSH feature enabled.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco TelePresence Codec (TC): 7.1.1 - 7.3.18

Cisco TelePresence Collaboration Endpoint (CE): 9.0.1 - 9.8.0

Cisco RoomOS: All versions


External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-telepres-roo...


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.


Latest bulletins with this vulnerability