CVE-2018-3271 Denial of service in Solaris Operating System

Medium 5.3 Published 17 Oct 2018 Updated 2 Oct 2024

A high-privileged local attacker can cause a complete denial of service in Solaris Kernel Zones, impacting system availability.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-3271?

CVE-2018-3271 is a medium-severity denial of service vulnerability in Oracle Solaris, published on 17 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: Kernel Zones). The supported version that is affected is 11.3. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Solaris executes to compromise Solaris. While the vulnerability is in Solaris, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Solaris. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H).

Which versions are affected by CVE-2018-3271?

It affects 1 product.

Products include Oracle Solaris.

How do I fix CVE-2018-3271?

No fix has been published for CVE-2018-3271 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-2018-3271 being exploited?

There is no known exploitation of CVE-2018-3271 in the wild and no public exploit code.

All Oracle Solaris vulnerabilities

Sources

Also known as GHSA-2rfj-6m9g-g5xr.