CVE-2018-0094 Denial of service in Cisco UCS Central Software

What is CVE-2018-0094?

CVE-2018-0094 is a high-severity denial of service vulnerability in Cisco UCS Central Software, published on 18 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in IPv6 ingress packet processing for Cisco UCS Central Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to high CPU utilization on the targeted device. The vulnerability is due to insufficient rate limiting protection for IPv6 ingress traffic. An attacker could exploit this vulnerability by sending the affected device a high rate of IPv6 packets. Successful exploitation could allow the attacker to cause a DoS condition due to CPU and resource constraints. Cisco Bug IDs: CSCuv34544.

Weakness: CWE-400, CWE-693

Which versions are affected by CVE-2018-0094?

It affects 1 product.

Products include Cisco Unified Computing System Central Software.

How do I fix CVE-2018-0094?

No fix has been published for CVE-2018-0094 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-0094 being exploited?

There is no known exploitation of CVE-2018-0094 in the wild and no public exploit code.

Other vulnerabilities in Cisco UCS Central Software

• CVE-2015-0701 Command injection in n/a Critical 10.0
• CVE-2016-1352 Command injection in n/a Critical 9.8
• CVE-2018-0113 Command injection in Cisco UCS Central High 8.8
• CVE-2014-0730 Privilege escalation in n/a Medium 6.8
• CVE-2016-1401 Cross-site scripting in n/a Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-62jr-4pg7-4vr2.