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Category:   Application (Multimedia)  >   Cisco WebEx Player Vendors:   Cisco
Cisco WebEx Player Chrome Extension Special URL Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1037680
SecurityTracker URL:  http://securitytracker.com/id/1037680
CVE Reference:   CVE-2017-3823   (Links to External Site)
Updated:  Jan 24 2017
Original Entry Date:  Jan 24 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): plugin version 1.0.3 and prior
Description:   A vulnerability was reported in the Cisco WebEx Player Chrome Extension. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted content that, when loaded by the target user, will execute arbitrary code on the target user's system.

Content containing the URL "cwcsf-nativemsg-iframe-43c85c0d-d633-af5e-c056-32dc7efc570b.html" can trigger this flaw.

The vendor has assigned PSIRT-0085137008 to this vulnerability.

The original advisory and demonstration code is available at:

https://bugs.chromium.org/p/project-zero/issues/detail?id=1096

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has developed a fix (Cisco WebEx Extension for Google Chrome version 1.0.5) and is releasing the fix for Cisco WebEx Meetings Server and Cisco WebEx Meetings Center.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170124-webex

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170124-webex (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (macOS/OS X), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 24 2017 (Cisco Issues Advisory for Cisco WebEx Meetings Server) Cisco WebEx Player Chrome Extension Special URL Lets Remote Users Execute Arbitrary Code
Cisco has issued an advisory for Cisco WebEx Meetings Server.
Jan 24 2017 (Cisco Issues Advisory for Cisco WebEx Meeting Center) Cisco WebEx Player Chrome Extension Special URL Lets Remote Users Execute Arbitrary Code
Cisco has issued an advisory for Cisco WebEx Meeting Center.



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