Vulnerability identifier: #VU17883

Vulnerability risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-1674

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Cisco Webex Productivity Tools
Client/Desktop applications / Other client software
Cisco Webex Meetings Desktop App
Client/Desktop applications / Other client software

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to execute arbitrary code on the target system with elevated privileges.

The vulnerability exists due to improper input validation when processing parameters passed via CLI. A local user can launch the application with a specially crafted argument and execute arbitrary OS command with SYSTEM privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Webex Productivity Tools: 33.0.0 - 33.0.6

Cisco Webex Meetings Desktop App: 33.6.0 - 33.6.5

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190227-wmda-cmdinj

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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. However, proof of concept for this vulnerability is available.