CVE-2019-2547 Denial of service in Oracle Database

Low 3.5 Published 16 Jan 2019 Updated 2 Oct 2024

Low-privileged attackers can cause partial denial of service in Oracle Database Java VM via network access, requiring user interaction.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-2547?

CVE-2019-2547 is a low-severity denial of service vulnerability in Oracle Database Server, published on 16 Jan 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2, 12.2.0.1 and 18c. Easily exploitable vulnerability allows low privileged attacker having Create Session, Create Procedure privilege with network access via multiple protocols to compromise Java VM. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java VM. CVSS 3.0 Base Score 3.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L).

Which versions are affected by CVE-2019-2547?

It affects 1 product.

Products include Oracle Database Server.

How do I fix CVE-2019-2547?

No fix has been published for CVE-2019-2547 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-2019-2547 being exploited?

There is no known exploitation of CVE-2019-2547 in the wild and no public exploit code.

All Oracle Database Server vulnerabilities

Sources

Also known as GHSA-mw25-6p6p-rj2x.