SB2018042406 - Denial of service in Cisco Carrier Routing System
Published: April 24, 2018 Updated: April 24, 2018
Security Bulletin ID
SB2018042406
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2018-0241)
The vulnerability allows an adjacent unauthenticated attacker to cause DoS condition on the target system.
The weakness exists due to improper handling of UDP broadcast packets that are forwarded to an IPv4 helper address. An adjacent attacker can send multiple UDP broadcast packets, trigger buffer leak and cause the service to crash.
Remediation
Install update from vendor's website.