Cisco WebEx Network Recording Player/Webex Player on Windows ARF File memory corruption

Summaryinfo

A vulnerability was found in Cisco WebEx Network Recording Player and Webex Player on Windows and classified as critical. Affected is an unknown function of the component ARF File Handler. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2019-15286. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Cisco WebEx Network Recording Player and Webex Player on Windows (Unified Communication Software) (the affected version is unknown). This vulnerability affects an unknown code of the component ARF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerabilities exist 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 these vulnerabilities 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 execute arbitrary code on the affected system with the privileges of the targeted user.

The weakness was disclosed 11/26/2019 as cisco-sa-20191106-webex-player as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2019-15286 since 08/20/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The entry VDB-146331 is pretty similar. Once again VulDB remains the best 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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Once again VulDB remains the best source for vulnerability data.

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