Vulnerability identifier: #VU14811

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: CVE-2018-15414

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Meeting Server
Client/Desktop applications / Multimedia software
Cisco WebEx Meetings 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 a boundary error when processing Cisco Webex Network Recording Player for Advanced Recording Format (ARF) files. A remote attacker can create a specially crafted ARF file, trick the victim into opening it with Cisco Webex Player, 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 Meeting Server: 2.6

Cisco WebEx Meetings Player: T31.10 - T31.20

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180919-webex
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63717
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63724
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj63729

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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.