CVE-2018-8065 Denial of service in n/a

High 7.5 Published 12 Mar 2018 Updated 5 Aug 2024

An attacker can cause a denial of service in Flexense SyncBreeze Enterprise by sending HTTP requests with long headers or URIs, triggering a memory access violation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-8065?

CVE-2018-8065 is a high-severity denial of service vulnerability in n/a, published on 12 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in the web server in Flexense SyncBreeze Enterprise 10.6.24. There is a user mode write access violation on the syncbrs.exe memory region that can be triggered by rapidly sending a variety of HTTP requests with long HTTP header values or long URIs.

Weakness: CWE-20

Which versions are affected by CVE-2018-8065?

It affects 1 product.

Products include Flexense Syncbreeze.

How do I fix CVE-2018-8065?

No fix has been published for CVE-2018-8065 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-2018-8065 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-8065 exists.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-f79v-qgfc-86w3.