External risk intelligence

Oracle Java SE Integrity Vulnerability Affects Business Data

CVE advisoryKnown Exploit

CVE-2015-4902

A vulnerability in Oracle Java SE's Deployment component could allow remote attackers to affect system integrity. This may lead to unauthorized modification of data or system states. Organizations should identify affected assets, reduce exposure, and apply vendor fixes to mitigate business risk.

2Halo Surface Signal

Oracle Jdk

1.6.01.7.01.8.05.65.75.06.07.06.77.27.37.47.55.0_s390x6.0_s390x7.0_s390x6.7_s390x7.2_s390x7.3_s390x7.4_s390x7.5_s390x5.0_ppc6.0_ppc647.0_ppc646.7_ppc...

External exposure likelihood

Halo Surface Signal score for CVE-2015-4902

The vulnerability affects Java SE deployment components. While Java is widely used, this typically involves client-side execution or internal application logic. Public internet exposure of the deployment surface itself is uncommon in standard practice, as it usually resides behind internal controls or requires specific, non-standard configuration to be reachable from the internet.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability exists within Oracle Java SE's Deployment component. This flaw permits remote attackers to compromise the integrity of affected systems through unspecified means. The potential impact includes unauthorized alteration of data or system states.

  • Oracle Java SE Deployment component
  • Unspecified weakness allows integrity compromise
  • Data or system integrity can be affected

Attack Path

How an attacker could exploit the issue

This vulnerability could allow an attacker to compromise the integrity of affected systems. The attack begins when a system is exposed to specific vectors, allowing an attacker to gain a foothold. Once access is established, a triggering action can be performed, leading to unauthorized modifications.

  • Exposure via unknown vectors.
  • Attacker gains remote access.
  • Triggering action modifies integrity.

Live Threat

Current exploitation, exposure, and threat context

The reported vulnerability in Oracle Java SE could allow attackers to affect system integrity. This was exploited in targeted attacks against organizations including NATO and the White House. The method of exploitation involved bypassing Java's click-to-play protection, enabling malicious code execution without user alerts. Attackers could use this vulnerability to compromise the integrity of affected systems.

  • Likely attacker skill level: Low
  • Required access or conditions: Network access, no privileges, no user interaction
  • Business risk or urgency: High priority, high risk

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

An unspecified vulnerability in Oracle Java SE could impact the integrity of affected systems. The vulnerability is related to the Deployment component and can be exploited through unknown vectors. Organizations should take steps to identify and mitigate potential risks associated with this vulnerability.

  • Identify assets running the affected software.
  • Reduce exposure or isolate risk.
  • Apply vendor fixes and validate.
  • Monitor for related issues.

Frequently asked questions

What is Oracle Java SE and what is its "Deployment" component?

Oracle Java SE (Standard Edition) is a platform used for creating and running various applications. The "Deployment" component, specifically within the Java Runtime Environment (JRE), includes technologies like Java Web Start and Java Plug-in. These facilitate the execution of standalone Java applications and applets, respectively.

What type of weakness does CVE-2015-4902 represent?

CVE-2015-4902 is an unspecified vulnerability related to Oracle Java SE's Deployment component. The Common Weakness Enumeration (CWE) identifies this as a CWE-284, which signifies improper access control.

What are the conditions for an attacker to exploit CVE-2015-4902?

The vulnerability can be exploited through sandboxed Java Web Start applications and applets, or by supplying data to specific APIs without these components. Attackers could also exploit it by supplying data to APIs without using sandboxed Java Web Start applications or applets, such as through a web service.

Who should be concerned about this vulnerability based on its Halo Surface Signal?

The Halo Surface Signal indicates this vulnerability is "unlikely" to be a concern for external-facing systems. This is because the affected components are typically used for client-side execution or internal application logic, rather than being directly exposed to the public internet. [cite: (implicit from context)]

What is the first step to address CVE-2015-4902 in Oracle Java SE?

The primary step to address this vulnerability is to apply updates provided by Oracle. Keeping Java SE updated ensures that security patches are implemented, mitigating the risk of exploitation.

References