Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle
Java SE (subcomponent: JNDI). 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 update, insert or delete access to some of Java SE,
Java SE Embedded, JRockit accessible data and unauthorized ability to cause
a partial denial of service (partial DOS) of Java SE, Java SE Embedded,
JRockit. Note: This vulnerability 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 4.8 (Integrity and Availability impacts).
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L).

It was discovered that the DNS client implementation in OpenJDK did not
properly randomize source ports. A remote attacker could use this to
spoof responses to DNS queries made by Java applications.