CVE-2022-21524 Denial of service in Solaris Operating System

High 7.6 Published 19 Jul 2022 Updated 24 Sep 2024

A low-privileged attacker can cause a complete denial of service and unauthorized data access in Oracle Solaris via SMB.

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

What is CVE-2022-21524?

CVE-2022-21524 is a high-severity denial of service vulnerability in Oracle Solaris, published on 19 Jul 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Filesystem). The supported version that is affected is 11. Easily exploitable vulnerability allows low privileged attacker with network access via SMB to compromise Oracle Solaris. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris as well as unauthorized update, insert or delete access to some of Oracle Solaris accessible data and unauthorized read access to a subset of Oracle Solaris accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H).

Which versions are affected by CVE-2022-21524?

It affects 1 product.

Products include Oracle Solaris.

How do I fix CVE-2022-21524?

No fix has been published for CVE-2022-21524 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-2022-21524 being exploited?

There is no known exploitation of CVE-2022-21524 in the wild and no public exploit code.

All Oracle Solaris vulnerabilities

Sources

Also known as GHSA-48r2-9j4w-jf4q.