Cisco WebEx Network Recording Player/Webex Player ARF File Email Attachment input validation

Summaryinfo

A vulnerability classified as problematic has been found in Cisco WebEx Network Recording Player and Webex Player. This vulnerability affects unknown code of the component ARF File Handler. The manipulation as part of Email Attachment leads to input validation. This vulnerability is documented as CVE-2020-3322. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cisco WebEx Network Recording Player and Webex Player (Unified Communication Software) (version now known). This issue affects some unknown processing of the component ARF File Handler. The manipulation as part of a Email Attachment leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

A vulnerability in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows could allow an attacker to cause a process crash resulting in a Denial of service (DoS) condition for the player application on an affected system. The vulnerability exists due to insufficient validation of certain elements with a Webex recording stored in either the Advanced Recording Format (ARF) or the Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to cause the Webex player application to crash when trying to view the malicious file.

The weakness was released 06/03/2020 (Website). It is possible to read the advisory at quickview.cloudapps.cisco.com. The identification of this vulnerability is CVE-2020-3322 since 12/12/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 $5k-$25k at the moment (estimation calculated on 06/04/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-156070 and VDB-156069. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• WebEx Network Recording Player
• Webex Player

License

• free

Website

• Vendor: https://www.cisco.com/

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Be aware that VulDB is the high quality source for vulnerability data.

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