Security Advisories and Notifications

Subject: Security Advisory (CVE-2008-3108)

From: Oracle Corporation

Minor Subject: A Security Vulnerability with the processing of fonts in the Java Runtime Environment may allow Elevation of Privileges

Product(s) Affected: Oracle JRockit

A problem was identified that could potentially cause a security vulnerability in certain versions of JRockit. Patches are available to correct this problem (see Section III). 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:

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

I. Description:

A buffer overflow security vulnerability with the processing of fonts in the Java Runtime Environment (JRE) may allow an untrusted applet or application to elevate its privileges. For example, an untrusted applet may grant itself permissions to read and write local files or execute local applications that are accessible to the user running the untrusted applet.

Note: Description of this vulnerability was provided by Sun Microsystems.

II. Impact and CVSS Ratings:

  1. CVSS Severity Score: 10.0 (High)
  2. Attack Range (AV): Network
  3. Attack Complexity (AC): Low
  4. Authentication Level (Au): None
  5. Impact Type: Complete confidentiality, integrity and availability violation
  6. Vulnerability Type: Denial of service, Information Disclosure, Elevation of Privilege
  7. CVSS Base Score Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

  1. Online Calculator: http://nvd.nist.gov/cvss.cfm?calculator&version=2

Note: CVSS base score and vector were determined by NVD (National Vulnerability Database).

III. AFFECTED VERSIONS

The following versions of Oracle JRockit are affected by this vulnerability

  • JRockit R27.6.0 and earlier, SDK and JRE 1.4.2
  • JRockit R27.1.0 and earlier, JDK and JRE 5.0

IV. SUGGESTED ACTION

Oracle strongly recommends the following course of actions.

JRockit R27.6.0 or Earlier, using Java 1.4.x

1. If you are using JRockit release R27.6.0 or earlier, download the appropriate patch from the following location and save the downloaded patch to a temporary directory:

JRockit 1.4.2 R27.6.0 JDK Linux (x86 - 32 bit):

Download and apply the patch #7825273 from OracleMetaLink as per the instructions below:

  • Select the Patches and Updates tab after logging in to OracleMetaLink.
  • Click Simple Search.
  • In the Search By field, select Patch Number from the list.
  • Enter the patch number. The patch number may be different for different product releases and platforms.
  • Select the platform (or choose generic as applicable)
  • Click Go.
  • Click Download to download the patch.

JRockit 1.4.2 R27.6.0 JDK Linux (Intel Itanium - 64 bit):

Download and apply the patch #7825273 from OracleMetaLink as per the instructions below:

  • Select the Patches and Updates tab after logging in to OracleMetaLink.
  • Click Simple Search.
  • In the Search By field, select Patch Number from the list.
  • Enter the patch number. The patch number may be different for different product releases and platforms.
  • Select the platform (or choose generic as applicable)
  • Click Go.
  • Click Download to download the patch.

JRockit 1.4.2 R27.6.0 JDK Sun Solaris (SPARC - 64 bit):

Download and apply the patch #7825273 from OracleMetaLink as per the instructions below:

  • Select the Patches and Updates tab after logging in to OracleMetaLink.
  • Click Simple Search.
  • In the Search By field, select Patch Number from the list.
  • Enter the patch number. The patch number may be different for different product releases and platforms.
  • Select the platform (or choose generic as applicable)
  • Click Go.
  • Click Download to download the patch.

BEA JRockit 1.4.2 R27.6.0 JDK Microsoft Windows (x86 - 32 bit):

Download and apply the patch #7825273 from OracleMetaLink as per the instructions below:

  • Select the Patches and Updates tab after logging in to OracleMetaLink.
  • Click Simple Search.
  • In the Search By field, select Patch Number from the list.
  • Enter the patch number. The patch number may be different for different product releases and platforms.
  • Select the platform (or choose generic as applicable)
  • Click Go.
  • Click Download to download the patch.

JRockit 1.4.2 R27.6.0 JDK Microsoft Windows (Intel Itanium - 64 bit):

Download and apply the patch #7825273 from OracleMetaLink as per the instructions below:

  • Select the Patches and Updates tab after logging in to OracleMetaLink.
  • Click Simple Search.
  • In the Search By field, select Patch Number from the list.
  • Enter the patch number. The patch number may be different for different product releases and platforms.
  • Select the platform (or choose generic as applicable)
  • Click Go.
  • Click Download to download the patch.

Note: Please note that the patches listed here include fixes for CVE2008-3103, CVE2008-3104, CVE2008-3105, CVE2008-3106, CVE2008-3108, CVE2008-3109 and CVE2008-3110.

  1. 2. Unpack the patched version of JRockit to the temporary directory.
  2. 3. Find the root directory where JRockit is installed. This is usually called “jrockit_150_xx” in your BEA folder.
  3. 4. Rename the directory “jrockit_150_xx” to “JRockit_150_xx-Pre-SecAdv-Aug08".
  4. 5. Move the unpacked JRockit installation from your temporary directory to where the old version was located.
  5. 6. Running “java –version” on the patched version of JRockit should give (example from windows x86 32 bit version):

    java version "1.4.2_17"

    Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_17-b06) BEA JRockit(R) (build R27.6.0-50_o_CR373585-101992-1.4.2_17-20080813-1050-windows-ia32, compiled mode)

Note: It is highly recommended that the original files be saved before updating them with the patched files.

JRockit R27.1.0 or Earlier, using Java 5.0

Upgrade to the latest version of JRockit. JRockit installers are available at http://www.oracle.com/middleware/technologies/jrockit/jrockit-mission-control.html

SECURITY COMMUNICATIONS

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.

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.

Additional users who wish to register for product advisory distribution should follow the registration directions at: http://www.oracle.com/security-alerts/.

Security issues can be reported to Oracle by following the directions at: http://www.oracle.com/security-alerts/.

Thank you,

Oracle Corporation