CVE-2023-37239 Denial of service in EMUI

High 7.5 Published Updated

Attackers bypassing SELinux can exploit a format string flaw in the distributed file system to crash the program.

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-2023-37239?

CVE-2023-37239 is a high-severity denial of service vulnerability in Huawei Emui, published on 6 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Format string vulnerability in the distributed file system. Attackers who bypass the selinux permission can exploit this vulnerability to crash the program.

Weakness: CWE-200

Which versions are affected by CVE-2023-37239?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2023-37239?

No fix has been published for CVE-2023-37239 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-2023-37239 being exploited?

There is no known exploitation of CVE-2023-37239 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-87f3-8m29-xr36.

Is CVE-2023-37239 in your software?

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

Check your SBOMs for free