CVE-2018-2797: Medium severity Oracle JDK vulnerability
It was discovered that the implementation of the TabularDataSupport class in the JMX component of OpenJDK did not limit the amount of memory allocated when creating object instance from a serialized form. A specially-crafted input could cause a Java application to use an excessive amount of memory when deserialized.
Other sources
Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: JMX). Supported versions that are affected are Java SE: 6u181, 7u171, 8u162 and 10; Java SE Embedded: 8u161; JRockit: R28.3.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, JRockit. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded, JRockit. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2018-2797?
The severity of CVE-2018-2797 is medium with a severity value of 5.3.
Which versions of Java SE are affected by CVE-2018-2797?
The affected versions of Java SE are 6u181, 7u171, 8u162, and 10.
How can an attacker exploit CVE-2018-2797?
An unauthenticated attacker with network access can exploit CVE-2018-2797.
What is the recommended remedy for CVE-2018-2797?
The recommended remedy for CVE-2018-2797 is to update to openjdk-8 package version 8u382-ga-2.
Are there any references for CVE-2018-2797?
Yes, you can find references for CVE-2018-2797 at the following links: [http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html](http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html), [http://www.securityfocus.com/bid/103846](http://www.securityfocus.com/bid/103846), [http://www.securitytracker.com/id/1040697](http://www.securitytracker.com/id/1040697).