CVE-2018-2618

Published: 17 January 2018

Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: JCE). 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 access to critical data or complete access to all Java SE, Java SE Embedded, JRockit accessible data. 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 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

From the Ubuntu security team

It was discovered that the Java Cryptography Extension (JCE) implementation in OpenJDK in some situations did guarantee sufficient strength of keys during key agreement. An attacker could use this to expose sensitive information.

Priority

Medium

CVSS 3 base score: 5.9

Status

Package Release Status
openjdk-6
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
openjdk-7
Launchpad, Ubuntu, Debian
Upstream
Released (7u171-2.6.13-1)
Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [7u171-2.6.13-0ubuntu0.14.04.2])
openjdk-8
Launchpad, Ubuntu, Debian
Upstream
Released (8u162-b12-1)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(8u162-b12-1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(8u162-b12-1)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(8u162-b12-1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (8u162-b12-0ubuntu0.16.04.2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/9b819798e7b0
openjdk-9
Launchpad, Ubuntu, Debian
Upstream
Released (9.0.4+12-1)
Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needs-triage)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist