Vulnerability identifier: #VU15184

Vulnerability risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15415

CWE-ID: CWE-20

Exploitation vector: Local

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 specially crafted ARF or WRF file sent via a link or an email attachment and execute arbitrary code

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

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-webex-rce

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.