CVE-2023-43768 Denial of service in n/a

High 7.5 Published Updated

Unauthenticated attackers can exhaust memcached memory via large commands, causing a denial of service in Couchbase Server.

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-2023-43768?

CVE-2023-43768 is a high-severity denial of service vulnerability in Couchbase Couchbase Server, published on 27 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.

Weakness: CWE-770

Which versions are affected by CVE-2023-43768?

It affects 1 product.

Products include Couchbase Couchbase Server.

How do I fix CVE-2023-43768?

No fix has been published for CVE-2023-43768 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-2023-43768 being exploited?

There is no known exploitation of CVE-2023-43768 in the wild and no public exploit code.

All Couchbase Couchbase Server vulnerabilities

Sources

Also known as GHSA-vwc8-vmvr-qqcf.

Is CVE-2023-43768 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free