SB2018100309 - Multiple vulnerabilities in Cisco Unity Connection
Published: October 3, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2018-15396)
The vulnerability allows a remote high-privileged attacker to cause DoS condition on the target system.
The vulnerability exists due to improper restriction of the maximum size of certain files that can be written to disk. A remote attacker who has valid administrator credentials for an affected system can send a specially crafted, remote connection request, write a file that consumes most of the available disk space on the system and cause application functions to operate abnormally and lead to a DoS condition.
2) Cross-site scripting (CVE-ID: CVE-2018-15426)
The disclosed vulnerability allows a remote high-privileged 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.