CVE-2012-5081 in JRE
Summary
by MITRE
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 7 and earlier, 6 Update 35 and earlier, 5.0 Update 36 and earlier, and 1.4.2_38 and earlier allows remote attackers to affect availability, related to JSSE.
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Analysis
by VulDB Data Team • 12/19/2021
The vulnerability identified as CVE-2012-5081 resides within the Java Runtime Environment component of Oracle Java SE, specifically impacting versions through Java 7 Update 7, Java 6 Update 35, Java 5.0 Update 36, and Java 1.4.2_38. This issue falls under the broader category of availability impacts within the Java Secure Socket Extension (JSSE) framework, which handles secure communications and cryptographic operations. The unspecified nature of the vulnerability indicates a fundamental weakness in the JRE's handling of secure socket connections that could be exploited by remote attackers to disrupt system availability.
The technical flaw manifests within the JSSE implementation where improper handling of certain cryptographic operations or secure socket states could lead to denial of service conditions. This vulnerability specifically affects the Java Secure Socket Extension which is responsible for implementing SSL/TLS protocols for secure network communications. Attackers could potentially exploit this weakness to cause system instability, application crashes, or complete service unavailability by manipulating the secure socket connections that applications rely upon for encrypted communication.
From an operational perspective, this vulnerability presents significant risk to enterprise environments that depend on Java applications for critical business operations. The remote attack vector means that adversaries can exploit this weakness without requiring local system access, making it particularly dangerous in networked environments. Organizations running affected Java versions may experience service disruptions, application failures, and potential business continuity impacts when attackers leverage this vulnerability to cause availability issues in their Java-based systems. The impact extends beyond individual applications to potentially affect entire infrastructure components that depend on secure communication channels.
Mitigation strategies for CVE-2012-5081 primarily focus on immediate patching and version updates to supported Java releases. Organizations should prioritize upgrading to patched versions of Java SE, specifically targeting Java 7 Update 8 and later, Java 6 Update 36 and later, Java 5.0 Update 37 and later, and Java 1.4.2_39 and later. Network segmentation and firewall rules can provide temporary protection by restricting access to Java applications, while disabling unnecessary Java applets and browser plugins helps reduce attack surface. Additionally, implementing proper monitoring and intrusion detection systems can help identify exploitation attempts. This vulnerability aligns with CWE-119 which addresses improper restriction of operations within a memory buffer, and may map to ATT&CK techniques involving privilege escalation and denial of service through exploitation of software vulnerabilities.