CVE-2019-2978: Medium severity Oracle JDK vulnerability
A flaw was found in the way the Jar URL handler in the Networking component in OpenJDK handled URLs with nested jar: URLs. A specially crafted URL could cause Java application to exit when parsed.
Other sources
An unspecified vulnerability in Java SE related to the Networking component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
— IBM
Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Networking). Supported versions that are affected are Java SE: 7u231, 8u221, 11.0.4 and 13; Java SE Embedded: 8u221. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. 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. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. 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).
Affected Software
Remediation
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is CVE-2019-2978?
CVE-2019-2978 is an unspecified vulnerability in Java SE related to the Networking component.
Which versions of Java SE are affected by CVE-2019-2978?
Java SE versions 7u231, 8u221, 11.0.4, and 13 are affected by CVE-2019-2978.
How can an attacker exploit CVE-2019-2978?
CVE-2019-2978 can be exploited by an unauthenticated attacker with network access.
Where can I find more information about CVE-2019-2978?
You can find more information about CVE-2019-2978 on the Oracle and Red Hat websites.
What is the severity of CVE-2019-2978?
CVE-2019-2978 has a severity rating of medium (3.7).