CVE-2021-2192 Denial of service in Solaris Operating System

Medium 6.1 Published 22 Apr 2021 Updated 26 Sep 2024

A local low-privileged attacker can cause a complete denial of service and modify data on Oracle Solaris SPARC systems.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-2192?

CVE-2021-2192 is a medium-severity denial of service vulnerability in Oracle Solaris, published on 22 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes 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. Note: This vulnerability applies to Oracle Solaris on SPARC systems only. CVSS 3.1 Base Score 6.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H).

Which versions are affected by CVE-2021-2192?

It affects 1 product.

Products include Oracle Solaris.

How do I fix CVE-2021-2192?

No fix has been published for CVE-2021-2192 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-2021-2192 being exploited?

There is no known exploitation of CVE-2021-2192 in the wild and no public exploit code.

All Oracle Solaris vulnerabilities

Sources

Also known as GHSA-qfq6-3v6r-mrmm.