CVE-2012-1723 in Java SE JRE
Summary
by MITRE
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 update 4 and earlier, 6 update 32 and earlier, 5 update 35 and earlier, and 1.4.2_37 and earlier allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Hotspot.
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Analysis
by VulDB Data Team • 04/22/2026
The vulnerability identified as CVE-2012-1723 represents a critical security flaw within the Java Runtime Environment component of Oracle Java SE versions 7 update 4 and earlier, 6 update 32 and earlier, 5 update 35 and earlier, and 1.4.2_37 and earlier. This issue resides within the Hotspot JVM implementation and affects the fundamental security properties of confidentiality, integrity, and availability, making it particularly dangerous for enterprise environments that rely on Java applications. The unspecified nature of the vulnerability vectors suggests that attackers could exploit multiple attack surfaces within the Hotspot component, potentially allowing for arbitrary code execution or system compromise.
The technical flaw within Hotspot stems from inadequate input validation and memory management practices within the Java Virtual Machine's execution engine. This allows malicious actors to craft specially crafted Java bytecode or native code that can trigger memory corruption vulnerabilities, potentially leading to privilege escalation or complete system compromise. The vulnerability's impact extends beyond simple data exposure as it affects all three core principles of information security, enabling attackers to modify system state, steal sensitive information, or disrupt service availability. The underlying issue likely involves buffer overflows, use-after-free conditions, or other memory safety violations that are characteristic of Hotspot implementation flaws.
From an operational perspective, this vulnerability creates significant risk for organizations running affected Java versions as it enables remote code execution without requiring authentication or specific user interaction. Attackers can exploit this vulnerability through web applications, applets, or any Java-based service that processes untrusted input. The widespread adoption of Java across enterprise environments means that organizations with legacy systems running vulnerable Java versions face substantial exposure to zero-day attacks. The vulnerability's presence in multiple Java version lines including older maintenance releases indicates a persistent flaw in the Hotspot implementation that was not adequately addressed through previous updates.
Organizations should implement immediate mitigation strategies including mandatory Java version updates to the latest supported releases, disabling Java applets in web browsers, and implementing network segmentation to limit exposure. The vulnerability aligns with CWE-119, which addresses memory safety issues, and maps to ATT&CK techniques involving privilege escalation and remote code execution. System administrators should also deploy intrusion detection systems to monitor for exploitation attempts and implement application whitelisting to prevent execution of malicious Java code. Regular security assessments and vulnerability scanning should be conducted to identify any remaining vulnerable systems within the enterprise infrastructure, as this vulnerability represents a significant attack surface that could be leveraged for persistent threats or advanced persistent attacks.