CVE-2018-5255 Denial of service in n/a

What is CVE-2018-5255?

CVE-2018-5255 is a medium-severity denial of service vulnerability in n/a, published on 5 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.

Which versions are affected by CVE-2018-5255?

It affects 1 product.

Products include Arista Eos.

How do I fix CVE-2018-5255?

No fix has been published for CVE-2018-5255 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-2018-5255 being exploited?

There is no known exploitation of CVE-2018-5255 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2026-7473 Arista Extensible Operating System Incomplete Comparison with Missing Factors Exploited Medium 6.9
• CVE-2015-8236 Privilege escalation in n/a Critical 10.0
• CVE-2020-10188 Memory corruption in n/a Critical 9.8
• CVE-2017-18017 Use after free in n/a Critical 9.8
• CVE-2017-14491 Memory corruption in n/a Critical 9.8

Sources

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

Also known as GHSA-jf47-qj6f-fq8j.