RHEL 5 / 6 / 7 : java-1.6.0-openjdk (RHSA-2014:0907)

This script is Copyright (C) 2014-2017 Tenable Network Security, Inc.

Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated java-1.6.0-openjdk packages that fix multiple security issues
and one bug are now available for Red Hat Enterprise Linux 5, 6, and

The Red Hat Security Response Team has rated this update as having
Important security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.

The java-1.6.0-openjdk packages provide the OpenJDK 6 Java Runtime
Environment and the OpenJDK 6 Java Software Development Kit.

It was discovered that the Hotspot component in OpenJDK did not
properly verify bytecode from the class files. An untrusted Java
application or applet could possibly use these flaws to bypass Java
sandbox restrictions. (CVE-2014-4216, CVE-2014-4219)

A format string flaw was discovered in the Hotspot component event
logger in OpenJDK. An untrusted Java application or applet could use
this flaw to crash the Java Virtual Machine or, potentially, execute
arbitrary code with the privileges of the Java Virtual Machine.

An improper permission check issue was discovered in the Libraries
component in OpenJDK. An untrusted Java application or applet could
use this flaw to bypass Java sandbox restrictions. (CVE-2014-4262)

Multiple flaws were discovered in the JMX, Libraries, Security, and
Serviceability components in OpenJDK. An untrusted Java application or
applet could use these flaws to bypass certain Java sandbox
restrictions. (CVE-2014-4209, CVE-2014-4218, CVE-2014-4252,

It was discovered that the RSA algorithm in the Security component in
OpenJDK did not sufficiently perform blinding while performing
operations that were using private keys. An attacker able to measure
timing differences of those operations could possibly leak information
about the used keys. (CVE-2014-4244)

The Diffie-Hellman (DH) key exchange algorithm implementation in the
Security component in OpenJDK failed to validate public DH parameters
properly. This could cause OpenJDK to accept and use weak parameters,
allowing an attacker to recover the negotiated key. (CVE-2014-4263)

The CVE-2014-4262 issue was discovered by Florian Weimer of Red Hat
Product Security.

This update also fixes the following bug :

* Prior to this update, an application accessing an unsynchronized
HashMap could potentially enter an infinite loop and consume an
excessive amount of CPU resources. This update resolves this issue.

All users of java-1.6.0-openjdk are advised to upgrade to these
updated packages, which resolve these issues. All running instances of
OpenJDK Java must be restarted for the update to take effect.

See also :


Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 9.3
CVSS Temporal Score : 7.7
Public Exploit Available : true

Family: Red Hat Local Security Checks

Nessus Plugin ID: 76680 ()

Bugtraq ID:

CVE ID: CVE-2014-2490

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