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Vulnerability Details : CVE-2018-15442

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.
Publish Date : 2018-10-24 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 78

- Products Affected By CVE-2018-15442

# Product Type Vendor Product Version Update Edition Language
No vulnerable product found. If the vulnerability is created recently it may take a few days to gather vulnerable products list and other information like cvss scores. Please check again in a few days.

- References For CVE-2018-15442

https://www.exploit-db.com/exploits/45695/
EXPLOIT-DB 45695
http://www.securitytracker.com/id/1041942
SECTRACK 1041942
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181024-webex-injection
CISCO 20181024 Cisco Webex Meetings Desktop App Update Service Command Injection Vulnerability
https://www.exploit-db.com/exploits/45696/
EXPLOIT-DB 45696
http://www.securityfocus.com/bid/105734
BID 105734 Cisco Webex Meetings Desktop App CVE-2018-15442 Local Command Injection Vulnerability Release Date:2018-10-29

- Metasploit Modules Related To CVE-2018-15442

WebEx Local Service Permissions Exploit
This module exploits a flaw in the 'webexservice' Windows service, which runs as SYSTEM, can be used to run arbitrary commands locally, and can be started by limited users in default installations.
Module type : exploit Rank : good Platforms : Windows
WebExec Authenticated User Code Execution
This module uses a valid username and password of any level (or password hash) to execute an arbitrary payload. This module is similar to the "psexec" module, except allows any non-guest account by default.
Module type : exploit Rank : manual Platforms : Windows
WebEx Remote Command Execution Utility
This module enables the execution of a single command as System by exploiting a remote code execution vulnerability in Cisco's WebEx client software.
Module type : auxiliary Rank : normal


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