CVE-2019-2749 Denial of service in Oracle Database
Low-privileged attackers can modify critical data or cause a complete denial of service in the Oracle Database Java VM component.
- 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-2019-2749?
CVE-2019-2749 is a medium-severity denial of service vulnerability in Oracle Database Server, published on 23 Jul 2019. Any signed-in user can exploit it over the network, with no action from the victim.
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, 18c and 19c. Difficult to exploit vulnerability allows low privileged attacker having Create Session, Create Procedure privilege with network access via multiple protocols to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM. CVSS 3.0 Base Score 6.8 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H).
Which versions are affected by CVE-2019-2749?
It affects 1 product.
Products include Oracle Database Server.
How do I fix CVE-2019-2749?
No fix has been published for CVE-2019-2749 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-2019-2749 being exploited?
There is no known exploitation of CVE-2019-2749 in the wild and no public exploit code.
Other vulnerabilities in Oracle Database Server
Sources
Also known as GHSA-xj5j-j947-8gg6.