CVE-2016-3584 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 11.3 allows local users to affect confidentiality, integrity, and availability via vectors related to Libadimalloc.
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Analysis
by VulDB Data Team • 09/08/2022
The vulnerability identified as CVE-2016-3584 resides within Oracle Sun Solaris 11.3 operating system and represents a significant security flaw in the libadimalloc library component. This unspecified weakness manifests as a local privilege escalation vulnerability that can compromise the fundamental security properties of the system including confidentiality, integrity, and availability. The affected libadimalloc library serves as a memory allocation utility within the Solaris environment, making it a critical component for system stability and security. The vulnerability's classification as local means that an attacker must already have access to the system to exploit it, though this access point represents a serious concern given that local users often possess elevated privileges or can establish footholds through other means.
The technical nature of this vulnerability stems from improper memory management within the libadimalloc implementation, which can lead to memory corruption issues that adversaries can manipulate to gain unauthorized access or cause system instability. According to CWE classification, this vulnerability likely maps to CWE-122: Heap Overflow or CWE-787: Out-of-bounds Write, both of which are common memory corruption vulnerabilities that can result in privilege escalation when properly exploited. The attack vector involves local users leveraging the flawed memory allocation functions to overwrite critical system memory regions or manipulate data structures that control access permissions and system behavior. This type of vulnerability represents a classic example of how memory safety issues in system libraries can create pathways for attackers to compromise entire operating environments.
The operational impact of CVE-2016-3584 extends beyond simple data compromise as it affects all three pillars of information security simultaneously. Confidentiality breaches can occur when attackers gain access to sensitive system data or user information through memory corruption techniques that allow them to read protected memory regions. Integrity violations manifest when the vulnerability enables attackers to modify system files, configuration data, or critical runtime memory contents, potentially leading to persistent backdoors or system compromise. Availability concerns arise when local users can exploit the vulnerability to cause system crashes, hangs, or denial of service conditions that disrupt normal operations. The combination of these impacts makes this vulnerability particularly dangerous in enterprise environments where Solaris systems often serve critical infrastructure roles. From an ATT&CK framework perspective, this vulnerability maps to techniques such as privilege escalation through memory corruption and potentially to persistence mechanisms that could be leveraged to maintain access.
Mitigation strategies for CVE-2016-3584 should prioritize immediate patching of affected Solaris 11.3 systems through Oracle's security updates and patches. System administrators should implement comprehensive monitoring for suspicious memory allocation patterns and unauthorized local access attempts that could indicate exploitation attempts. Network segmentation and least privilege access controls can help minimize the potential impact of successful exploitation by limiting what local users can access or modify. Regular security assessments and vulnerability scanning should include checks for outdated system libraries and memory allocation components that may be susceptible to similar issues. Additionally, implementing application whitelisting and runtime protection mechanisms can provide defense-in-depth against exploitation attempts that rely on memory corruption techniques. The vulnerability underscores the importance of maintaining up-to-date system libraries and the critical need for regular security maintenance in enterprise environments. Organizations should also consider implementing intrusion detection systems that can identify anomalous behavior patterns associated with memory corruption exploitation attempts.