First published: Wed Jan 23 2019(Updated: )
A vulnerability in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerability exist because the affected software improperly validates Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file via a link or email attachment and persuading the user to open the file with the affected software. Successful exploitation could allow the attacker to execute arbitrary code on the affected system.
Credit: ykramarz@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco Webex Meetings Online | =1.3.33 | |
Cisco Webex Meetings Online | =1.3.39 | |
Cisco Webex Meetings Online | =t32.9 | |
Cisco Webex Meetings Online | =t33.3.5 | |
Cisco Webex Meetings Online | =t33.5.1 | |
Cisco WebEx Meetings Server | =3.0mr2-p1 | |
Cisco WebEx Meetings Server | =t31-sp3 |
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CVE-2019-1638 is a vulnerability in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows, which could allow an attacker to execute arbitrary code on an affected system.
CVE-2019-1638 has a severity value of 7.8, which is considered critical.
Cisco Webex Meetings Online versions 1.3.33, 1.3.39, t32.9, t33.3.5, and t33.5.1 are affected by CVE-2019-1638. Additionally, Cisco WebEx Meetings Server versions 3.0mr2-p1 and t31-sp3 are also affected.
An attacker can exploit CVE-2019-1638 by sending a specially crafted Advanced Recording Format (ARF) file to a user and convince them to open the file using the vulnerable Cisco Webex Network Recording Player or Cisco Webex Player.
You can find more information about CVE-2019-1638 at the following references: http://www.securityfocus.com/bid/106704 and https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-webex-rce.