SB2018011903 - Denial of service in Cisco UCS Central Software
Published: January 19, 2018
Security Bulletin ID
SB2018011903
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Denial of service (CVE-ID: CVE-2018-0094)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in IPv6 ingress packet processing for Cisco UCS Central Software due to insufficient rate limiting protection for IPv6 ingress traffic. A remote attacker can send a high rate of IPv6 packets, trigger CPU and resource constraints and cause the service to crash.
Remediation
Install update from vendor's website.