Multiple Interpretations of UI Input in Cisco Webex Meetings App

1) Multiple Interpretations of UI Input

EUVDB-ID: #VU67076

Risk: Medium

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-20863

CWE-ID: CWE-450 - Multiple Interpretations of UI Input

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected software does not properly handle character rendering. A remote attacker can send specially crafted messages and modify the display of links or other content within the interface.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco Webex Teams: 42.7

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-app-qrtO6YC2

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 trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.