Cisco Webex App Messaging Interface interpretations of ui

Summaryinfo

A vulnerability has been found in Cisco Webex App and classified as problematic. The impacted element is an unknown function of the component Messaging Interface. The manipulation leads to interpretations of ui. This vulnerability is uniquely identified as CVE-2022-20863. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cisco Webex App (Unified Communication Software) (the affected version unknown). This issue affects an unknown part of the component Messaging Interface. The manipulation with an unknown input leads to a interpretations of ui vulnerability. Using CWE to declare the problem leads to CWE-450. The UI has multiple interpretations of user input but does not prompt the user when it selects the less secure interpretation. Impacted is integrity, and availability. The summary by CVE is:

A vulnerability in the messaging interface of Cisco Webex App, formerly Webex Teams, could allow an unauthenticated, remote attacker to manipulate links or other content within the messaging interface. This vulnerability exists because the affected software does not properly handle character rendering. An attacker could exploit this vulnerability by sending messages within the application interface. A successful exploit could allow the attacker to modify the display of links or other content within the interface, potentially allowing the attacker to conduct phishing or spoofing attacks.

The weakness was disclosed 09/08/2022 as cisco-sa-webex-app-qrtO6YC2. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2022-20863 since 11/02/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/08/2022).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Webex App

License

• commercial

Website

• Vendor: https://www.cisco.com/

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