SB2017101911 - Multiple vulnerabilities in Cisco WebEx Meetings Server
Published: October 19, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2017-12296)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists in Cisco WebEx Meetings Server 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.
2) Resource exhaustion (CVE-ID: CVE-2017-12293)
The disclosed vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists in Cisco WebEx Meetings Server due to insufficient limitations on the number of connections that can be made. A remote attacker can open multiple connections to the server, trigger server resources exhausting and cause the server to reload.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.