Cisco WebEx Browser Extension Software updates

Number: AV17-103
Date: 17 July 2017

Purpose

The purpose of this advisory is to bring attention to the recently released Cisco Security Advisory.

Assessment

Cisco has released a security advisory to address a critical vulnerability VulnerabilityA flaw or weakness in the design or implementation of an information system or its environment that could be exploited to adversely affect an organization's assets or operations. in its WebEx browser extensions for Google Chrome and Mozilla Firefox. Successful exploitation could allow a remote unauthenticated attacker to execute code and gain full control of an affected device.

 The following versions of the Cisco WebEx browser extensions are affected by the vulnerability:

• Versions prior to 1.0.12 of the Cisco WebEx extension on Google Chrome
• Versions prior to 1.0.12 of the Cisco WebEx extension on Mozilla Firefox

CVE Reference: CVE-2017-6753

Suggested action

CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170717-webex