CVE-2014-6527 in Java SE
Summary
by MITRE
Unspecified vulnerability in Oracle Java SE 7u67 and 8u20 allows remote attackers to affect integrity via unknown vectors related to Deployment, a different vulnerability than CVE-2014-6476.
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Analysis
by VulDB Data Team • 02/23/2022
The vulnerability identified as CVE-2014-6527 represents a critical security flaw within Oracle Java SE versions 7u67 and 8u20 that specifically impacts the Deployment component of the Java platform. This issue falls under the broader category of software security vulnerabilities affecting enterprise runtime environments where Java applications execute across diverse operating systems and network configurations. The vulnerability's classification as unspecified indicates that Oracle did not provide detailed technical information about the exact nature of the flaw during the initial disclosure, which is common with certain types of integrity-related vulnerabilities that may involve complex interactions between multiple system components.
The technical flaw resides within the Java Deployment Toolkit functionality which is responsible for managing Java application installations and updates on client systems. This component handles various deployment-related operations including the execution of Java applets and applications that are downloaded from remote servers. The vulnerability allows remote attackers to manipulate or corrupt the integrity of the Java runtime environment through unspecified attack vectors that are distinct from the related CVE-2014-6476 vulnerability, suggesting that this represents a separate and independent security weakness. The Deployment subsystem's interaction with web-based Java content presents a significant attack surface since it must process untrusted input from remote sources while maintaining system integrity.
Operationally, this vulnerability poses substantial risks to organizations that rely on Java-based applications and applets for business operations, particularly in environments where users may inadvertently execute malicious Java content from untrusted websites. Attackers could exploit this weakness to modify Java installation files, alter deployment configurations, or corrupt the Java runtime environment in ways that could lead to further compromise of affected systems. The impact extends beyond simple data integrity concerns as it could potentially enable privilege escalation attacks or facilitate the execution of arbitrary code within the context of the Java runtime environment. This type of vulnerability is particularly dangerous in enterprise settings where Java applets are commonly used for internal business applications, making the attack surface much broader than typical web-based threats.
The mitigation strategies for CVE-2014-6527 primarily focus on immediate patching and updating of affected Java installations to the latest available versions from Oracle. Organizations should implement comprehensive patch management procedures that include regular security updates for all Java runtime environments, particularly those running vulnerable versions 7u67 and 8u20. System administrators should also consider disabling Java applet execution in web browsers where possible, as this reduces the attack surface for exploitation attempts. Additionally, network segmentation and firewall rules should be implemented to limit access to Java deployment services and reduce the potential impact of successful exploitation attempts. This vulnerability aligns with several ATT&CK framework techniques including T1059 for command and scripting interpreter and T1068 for exploit for privilege escalation, while also relating to CWE categories focusing on integrity violations in deployment and installation components. Organizations should also implement monitoring solutions that can detect anomalous Java deployment activities or file modification patterns that might indicate exploitation attempts.