CVE-2019-2437 Denial of service in Solaris Operating System

High 7.5 Published 16 Jan 2019 Updated 2 Oct 2024

Unauthenticated remote attackers can cause a complete denial of service on Oracle Solaris via TCP network access.

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-2019-2437?

CVE-2019-2437 is a high-severity denial of service vulnerability in Oracle Solaris, published on 16 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Solaris component of Oracle Sun Systems Products Suite (subcomponent: Kernel). The supported version that is affected is 11. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP 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. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Which versions are affected by CVE-2019-2437?

It affects 1 product.

Products include Oracle Solaris.

How do I fix CVE-2019-2437?

No fix has been published for CVE-2019-2437 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-2019-2437 being exploited?

There is no known exploitation of CVE-2019-2437 in the wild and no public exploit code.

All Oracle Solaris vulnerabilities

Sources

Also known as GHSA-v73f-p958-vmvg.