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

Summaryinfo

A vulnerability, which was classified as critical, has been found in Cisco WebEx Network Recording Player and Webex Player on Windows. Affected is an unknown function of the component ARF File Handler. This manipulation as part of Email Attachment causes memory corruption. This vulnerability appears as CVE-2019-15285. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco WebEx Network Recording Player and Webex Player on Windows (Unified Communication Software) (affected version unknown) and classified as critical. Affected by this vulnerability is an unknown functionality of the component ARF File Handler. The manipulation as part of a Email Attachment 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. The summary by CVE is:

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 presented 09/23/2020 as cisco-sa-20191106-webex-player as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2019-15285 since 08/20/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

See VDB-146331, VDB-146332, VDB-161742 and VDB-161744 for similar entries. 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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