CVE-2018-2637: High severity Oracle JDK vulnerability
It was discovered that the JMX component of OpenJDK failed to properly set the deserialization filter for the SingleEntryRegistry in certain cases. A remote attacker could possibly use this flaw to bypass intended deserialization restrictions.
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: 6u171, 7u161, 8u152 and 9.0.1; Java SE Embedded: 8u151; JRockit: R28.3.16. Difficult to exploit 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 creation, deletion or modification access to critical data or all Java SE, Java SE Embedded, JRockit accessible data as well as unauthorized access to critical data or complete access to all Java SE, Java SE Embedded, JRockit accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.0 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2018-2637?
CVE-2018-2637 is a vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE that allows an unauthenticated attacker to exploit the system.
Which versions of Java SE are affected by CVE-2018-2637?
Java SE versions 6u171, 7u161, 8u152, and 9.0.1 are affected by CVE-2018-2637.
How severe is CVE-2018-2637?
CVE-2018-2637 has a severity rating of 7.4 (high severity).
How can I fix CVE-2018-2637?
To fix CVE-2018-2637, update to version 8u382-ga-2 of openjdk-8 on Debian or follow the specific remediation steps provided by your operating system or software vendor.
Where can I find more information about CVE-2018-2637?
You can find more information about CVE-2018-2637 on the official Oracle website and security advisory.