CVE-2018-15442 Information

Description

A vulnerability in the update service of Cisco Webex Meetings Desktop App for Windows could allow an authenticated local attacker to execute arbitrary commands as a privileged user. The vulnerability is due to insufficient validation of user-supplied parameters. An attacker could exploit this vulnerability by invoking the update service command with a crafted argument. An exploit could allow the attacker to run arbitrary commands with SYSTEM user privileges. While the CVSS Attack Vector metric denotes the requirement for an attacker to have local access administrators should be aware that in Active Directory deployments the vulnerability could be exploited remotely by leveraging the operating system remote management tools.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/105734 http://www.securitytracker.com/id/1041942 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181024-webex-injection https://www.exploit-db.com/exploits/45695/ https://www.exploit-db.com/exploits/45696/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8