SB2018081612 - Denial of service in Cisco Unified Communications Manager IM & Presence Service
Published: August 16, 2018
Security Bulletin ID
SB2018081612
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-0409)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the XCP Router service due to improper validation of user-supplied input. A remote attacker can send a malicious IPv4 or IPv6 packet to an affected device on TCP port 7400, overread a buffer and cause the XCP Router service to crash and restart.
Remediation
Install update from vendor's website.