Vulnerability identifier: #VU13913

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0380

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 cause DoS condition on the target system.

The vulnerability exists in the Cisco Webex Network Recording Player for Advanced Recording Format (ARF) and Webex Recording Format (WRF) files due to insufficient input validation. A remote unauthenticated attacker can supply a specially crafted .arf or .wrf file via email or URL, thick the victim into launching it in the Webex recording players and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Webex Player: All versions

Cisco WebEx Network Recording Player: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-webex-dos

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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.