External risk intelligence

Oracle Java JMX Vulnerability Exposes Systems to Risk.

CVE advisoryKnown Exploit

CVE-2016-3427

A vulnerability in Oracle Java SE and JRockit impacts confidentiality, integrity, and availability. Attackers can exploit this remotely to affect these aspects of affected systems. The business risk includes potential unauthorized access, modification, or disruption of data and operations.A vulnerability in Oracle Java

3Halo Surface Signal

Oracle Jdk

1.6.01.7.01.8.0r28.3.956712.0414.0415.1016.048.09.0.4 and earlier7.2 and later2.1.0 to before 2.1.222.2.0 to before 2.2.183.0.0 to before 3.0.223.11.0 to before 3....

External exposure likelihood

Halo Surface Signal score for CVE-2016-3427

The vulnerability involves JMX, which is generally internal. However, it can be reached via exposed web services, sandboxed Java Web Start applications, or applets. Because exposure depends on the specific application configuration and deployment method, it is not always internet-facing by default, but remains reachable in many common enterprise environments.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability within Oracle Java SE and JRockit affects confidentiality, integrity, and availability. The flaw allows remote attackers to exploit this weakness through various vectors related to JMX. This could lead to significant business risk for affected organizations.

  • Unspecified Java vulnerability in JMX
  • Affects confidentiality, integrity, and availability
  • Potential for broad business impact

Attack Path

How an attacker could exploit the issue

A vulnerability within Java Management Extensions (JMX) allows for remote attacks. Attackers can leverage this by sending data through specific vectors to impact system confidentiality, integrity, and availability. This can occur through web services or within sandboxed Java applications.

  • Exposed JMX or vulnerable Java components
  • Attacker sends data via network
  • Attacker gains control or impacts data

Live Threat

Current exploitation, exposure, and threat context

A remote vulnerability in Oracle Java SE and JRockit could allow attackers to compromise system confidentiality, integrity, and availability. Exploitation is possible through various methods, including JMX, sandboxed Java Web Start applications, and applets, as well as through web services. This broad attack surface means affected organizations face a significant risk if not addressed.

  • Likely attacker skill level: Low
  • Required access or conditions: Network access
  • Business risk or urgency: High

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

A critical vulnerability impacting Oracle Java SE and JRockit has been identified, potentially affecting the confidentiality, integrity, and availability of systems. This vulnerability can be exploited remotely through Java Management Extensions (JMX). Organizations utilizing affected Oracle products should take immediate action to identify and mitigate risks to their business operations.

  • Identify exposed Oracle Java assets.
  • Reduce JMX exposure or isolate affected systems.
  • Apply vendor patches and validate updates.
  • Monitor for related security events.

Frequently asked questions

What is CVE-2016-3427 and which Oracle Java versions are affected?

CVE-2016-3427 is an unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77, as well as Java SE Embedded 8u77 and JRockit R28.3.9. This vulnerability can impact the confidentiality, integrity, and availability of affected systems.

How can attackers exploit the Oracle Java vulnerability?

Attackers can exploit this vulnerability through vectors related to JMX. This includes supplying data to APIs without using sandboxed Java Web Start applications or applets, potentially through a web service, or by exploiting sandboxed Java Web Start applications and applets themselves.

What type of weakness does CVE-2016-3427 represent?

This vulnerability is classified under CWE-284, which denotes improper access control. This means the vulnerability arises from a flaw in how access to resources or privileges is managed within the software.

What is the relevance of the Halo Surface Signal for CVE-2016-3427?

The Halo Surface Signal rates this vulnerability as 'Possible' due to the nature of JMX. While typically internal, JMX can be exposed via web services, applets, or Java Web Start, making it reachable in various enterprise environments depending on configuration.

What action should be taken to address this Oracle Java vulnerability?

To address this vulnerability, it is recommended to apply updates according to the vendor's instructions. Keeping Java SE and JRockit updated is crucial for mitigating the risks associated with this critical flaw.

References