Vulnerability identifier: #VU22608
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco WebEx Meetings Server
Server applications /
Conferencing, Collaboration and VoIP solutions
Cisco Webex Meetings Online
Server applications /
Conferencing, Collaboration and VoIP solutions
Cisco Webex Meetings sites
Server applications /
Conferencing, Collaboration and VoIP solutions
Cisco Webex Player
Client/Desktop applications /
Multimedia software
Cisco WebEx Network Recording Player
Client/Desktop applications /
Multimedia software
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists 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). A remote attacker can send a specially crafted ARF or WRF file through a link or email attachment, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco WebEx Meetings Server: 3.0MR2 - 4.0
Cisco Webex Meetings Online: All versions
Cisco Webex Meetings sites: All versions
Cisco Webex Player: All versions
Cisco WebEx Network Recording Player: All versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-webex-player
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.