Vulnerability identifier: #VU9501

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: CVE-2017-12372

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco WebEx Network Recording Player
Client/Desktop applications / Multimedia software

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists due to input validation flaw. A remote attacker can trick the victim into opening a specially crafted ARF or WRF file and cause the application to crash or execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco WebEx Network Recording Player: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex-player...

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Q & A

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.