CVE-2015-2597 in Java SE
Summary
by MITRE
Unspecified vulnerability in Oracle Java SE 7u80 and 8u45 allows local users to affect confidentiality, integrity, and availability via unknown vectors related to Install.
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Analysis
by VulDB Data Team • 06/02/2022
The vulnerability identified as CVE-2015-2597 resides within Oracle Java SE versions 7u80 and 8u45, specifically within the installation component of the software. This issue represents a critical security flaw that enables local attackers to compromise the confidentiality, integrity, and availability of systems through unspecified attack vectors related to the installation process. The vulnerability's classification as unspecified indicates that the exact technical mechanism remains undisclosed, which is common for certain classes of installation-related security flaws. Such vulnerabilities typically arise from improper handling of installation files, insufficient validation of installation parameters, or inadequate privilege management during the installation sequence. The local nature of this vulnerability means that exploitation requires an attacker to already have access to the target system, often through legitimate user accounts or administrative access, making the attack surface more limited but potentially more dangerous due to the elevated privileges that may be available. The impact spans all three core principles of information security as defined by the CIA triad, indicating that the vulnerability could enable unauthorized data access, data modification, and system disruption.
The technical flaw associated with CVE-2015-2597 manifests within the Java installation process, suggesting potential issues in how the installer handles file permissions, directory creation, or privilege escalation during the software deployment phase. This type of vulnerability often stems from insecure temporary file handling, improper access control during installation, or insufficient input validation in installation scripts. The installation component of Java SE is particularly susceptible to such flaws because it frequently requires elevated privileges to modify system files, create registry entries, or install system-level components. The unspecified nature of the vectors implies that multiple attack paths may exist within the installation logic, potentially including manipulation of installation packages, injection of malicious code during installation, or exploitation of race conditions in installation processes. These vulnerabilities typically align with CWE categories related to installation and deployment flaws, specifically CWE-735 which addresses insecure installation processes, and may also relate to CWE-276 which covers incorrect file permissions.
The operational impact of CVE-2015-2597 extends beyond simple data compromise, as local attackers with access to systems running vulnerable Java versions could potentially execute arbitrary code with elevated privileges, modify system configurations, or disrupt service availability. The vulnerability's presence in both Java SE 7 and 8 versions indicates a widespread issue affecting multiple generations of the platform, requiring organizations to assess and patch installations across their entire Java ecosystem. Attackers could leverage this vulnerability to establish persistent access, escalate privileges, or deploy additional malware components during the installation phase, making it particularly dangerous for enterprise environments where Java installations are common. The availability impact suggests that successful exploitation could lead to system instability, service disruption, or complete system compromise, potentially affecting business continuity and operational resilience. Organizations that have not updated their Java installations to versions beyond the vulnerable releases face significant risk, as the vulnerability could be exploited to gain unauthorized access to sensitive systems and data.
Mitigation strategies for CVE-2015-2597 require immediate patching of affected Java installations to versions that have addressed the unspecified vulnerability within the installation component. Organizations should prioritize updating all systems running Java SE 7u80 or 8u45 to the latest available patches from Oracle, ensuring that the updates include fixes for installation-related security flaws. The implementation of application whitelisting policies, particularly for Java-based applications, can help reduce the attack surface by limiting which applications can execute on systems. System administrators should also conduct comprehensive audits of Java installations to identify and remove unnecessary or outdated versions that may be vulnerable to exploitation. Network segmentation and privilege separation practices can help limit the potential impact if exploitation occurs, while monitoring for unusual installation activities or unauthorized access attempts can provide early detection of exploitation attempts. Security teams should also consider implementing the principle of least privilege for Java installations, ensuring that installation processes run with minimal required permissions rather than elevated administrative rights. This vulnerability aligns with ATT&CK techniques related to privilege escalation and installation persistence, making it important for security teams to monitor for behaviors consistent with these attack patterns. Regular vulnerability assessments and penetration testing should include evaluation of Java installation processes to identify similar issues that may not yet be publicly disclosed. Organizations should also maintain current threat intelligence feeds to stay informed about related vulnerabilities and attack patterns that may exploit similar installation-related flaws.