Vulnerability identifier: #VU17210
Vulnerability risk: High
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
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 improper validation of Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. A remote unauthenticated attacker can trick the victim into opening a malicious ARF or WRF file with the affected software and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Webex Player: All versions
Cisco WebEx Network Recording Player: All versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-webex-rce
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.