Vulnerability identifier: #VU15525

Vulnerability risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C]

CVE-ID: CVE-2018-15442

CWE-ID: CWE-77

Exploitation vector: Local

Exploit availability: Yes

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

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local attacker to execute arbitrary commands on the target system.

The vulnerability exists in the update service of Cisco Webex Meetings Desktop App due to insufficient validation of user-supplied parameters. A local attacker can invoke the update service command with a crafted argument and run arbitrary commands with SYSTEM user privileges.

Mitigation
Update to version 33.6.4.

Vulnerable software versions

Cisco Webex Meetings Desktop App: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181024-webex-injection

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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, a fully functional exploit for this vulnerability is available.