CVE-2018-2952: Medium severity Oracle JDK vulnerability
It was discovered that the implementation of the PatternSyntaxException class in the Concurrency component of OpenJDK failed to sufficiently validate the 'index' value (to ensure it's not greater than the regular expression length) in the getMessage() method. An instance of the class with invalid index value, for example one created via deserialization on an untrusted input, could cause a Java application to use an excessive amount of memory.
Other sources
Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: Concurrency). Supported versions that are affected are Java SE: 6u191, 7u181, 8u172 and 10.0.1; Java SE Embedded: 8u171; JRockit: R28.3.18. 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 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 3.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).
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Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2018-2952?
CVE-2018-2952 is a vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE, specifically in the Concurrency subcomponent.
Which versions of Oracle Java SE are affected by CVE-2018-2952?
Java SE versions 6u191, 7u181, 8u172, and 10.0.1 are affected by CVE-2018-2952.
How difficult is it to exploit CVE-2018-2952?
CVE-2018-2952 has a difficulty level of 'Difficult to exploit' and does not require authentication.
What is the severity level of CVE-2018-2952?
CVE-2018-2952 has a severity value of 3.7, which is categorized as medium severity.
Where can I find more information about CVE-2018-2952?
You can find more information about CVE-2018-2952 on the Oracle website and the Red Hat website.