SB2017110216 - Multiple vulnerabilities in Cisco WebEx Meetings Server



SB2017110216 - Multiple vulnerabilities in Cisco WebEx Meetings Server

Published: November 2, 2017

Security Bulletin ID SB2017110216
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2017-12295)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists in Cisco WebEx Meetings Server due to the HTTP header reply from the Cisco WebEx Meetings Server to the client, which could include internal network information that should be restricted. A remote attacker can attempt to use the HTTP protocol, access the data in the HTTP responses from the Cisco WebEx Meetings Server and discover sensitive data about the application.

2) Cross-site scripting (CVE-ID: CVE-2017-12294)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's website.