Security Advisories and Notifications

Subject: Security Advisory (BEA07-178.00)
From: Oracle Corporation
Minor Subject: Java Secure Socket Extension Does Not Correctly Process SSL/TLS Handshake Requests Resulting in a Denial of Service (DoS) Condition
Product(s) Affected: BEA JRockit and BEA Products Using JRockit

Threat level: High
This vulnerability may be exploited to create a Denial of Service (DoS) condition to the system as a whole on a server that listens for SSL/TLS connections using JSSE for SSL/TLS support.

Severity: High
Exploit of this vulnerability may lead to a Denial of Service (DoS) condition.

A problem was identified that could potentially cause a security vulnerability in certain versions of JRockit. Upgrades are available to correct this problem (see Section II). Oracle treats potential security problems with a high degree of urgency and endeavors to take appropriate steps to help ensure the security of our customers' systems. As a result, Oracle strongly suggests the following actions:

I. Read the following advisory.
II. Apply the suggested action.
III. If you know of any additional users interested in future security advisories, please forward them the registration instructions included in this advisory.

I. Advisory

The Java Secure Socket Extension (JSSE) that is included in various releases of the Java Runtime Environment does not correctly process SSL/TLS handshake requests. This vulnerability may be exploited to create a Denial of Service (DoS) condition to the system as a whole on a server that listens for SSL/TLS connections using JSSE for SSL/TLS support. Sun Microsystems advised of this JRE vulnerability at

This advisory corrects this issue by supplying patched versions of JRockit.

Impact and CVSS Ratings:

CVSS Severity Score: 3.3 (Low)
Attack Range (AV): Remote
Attack Complexity (AC): Low
Authentication Level (Au): Not Required
Impact Type: Denial of Service; Allows Partial Availability Violation
Vulnerability Type: Denial of Service, Exceptional Error condition
CVSS Base Score Vector: (AV:R/AC:L/Au:NR/C:N/I:N/A:C/B:N)

Complete CVSS Guide:
Online Calculator:

The following versions of BEA JRockit are affected by this vulnerability

  • BEA JRockit R27.3.1 or prior using
  • JDK and JRE 6 Update 1 and earlier

  • JDK and JRE 5.0 Updates 7, 8, 9, 10, and 11

  • SDK and JRE 1.4.2_11, _12, _13, and _14


Oracle strongly recommends the following course of action.

For JDK 1.4.2 JDK, 1.5.0 or JDK 6:

If you are using JRockit release R27.3.1 or earlier, please contact BEA Technical Support at for the appropriate patch. You can verify your version of BEA JRockit by running �java -version".


Oracle strongly suggests that customers apply the remedies recommended in all our security advisories. Oracle also urges customers to apply every Service/Maintenance Pack as they are released. Service/Maintenance Packs include a roll-up of all bug fixes for each version of the product, as well as each of the prior Service/Maintenance Packs. Service/Maintenance Packs and information about them can be found at:

Note: Information about securing WebLogic Server and WebLogic Express can be found at Specific lockdown information is provided at We strongly encourage you to review this documentation to ensure your server deployment is securely configured.

As a policy, if there are any security-related issues with any Oracle product, Oracle will distribute an advisory and instructions with the appropriate course of action. Because the security of your site, data, and code is our highest priority, we are committed to communicating all security-related issues clearly and openly.

All previous advisories can be viewed at:

Additional users who wish to register for product advisory distribution should follow the registration directions at:

Security issues can be reported to Oracle by following the directions at:

Thank you,
Oracle Corporation