CVE-2017-3510 in Solaris
Summary
by MITRE
Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: Kernel Zones virtualized NIC driver). The supported version that is affected is 11.3. Easily "exploitable" vulnerability allows low privileged attacker with network access via multiple protocols to compromise Solaris. While the vulnerability is in Solaris, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Solaris accessible data. CVSS 3.0 Base Score 7.7 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N).
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Analysis
by VulDB Data Team • 12/20/2020
The vulnerability identified as CVE-2017-3510 resides within the Solaris component of Oracle Sun Systems Products Suite, specifically targeting the Kernel Zones virtualized NIC driver subcomponent. This flaw affects Solaris version 11.3 and represents a significant security weakness that can be exploited by low-privileged attackers who possess network access. The vulnerability's exploitability classification as easily "exploitable" indicates that attackers can leverage this weakness with minimal effort, making it particularly dangerous in production environments where network access may be readily available to malicious actors. The attack vector operates through multiple network protocols, expanding the potential attack surface and increasing the likelihood of successful exploitation.
This security flaw fundamentally compromises the integrity of the Solaris operating system through its virtualized network interface controller implementation within kernel zones. The vulnerability allows attackers to gain unauthorized access to modify critical system data, including the ability to create, delete, or alter data that should remain protected. The CVSS 3.0 base score of 7.7 reflects the severity of the integrity impact, with the vector AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N indicating that network-based attacks with low complexity and low privilege requirements can result in high integrity impact. The vulnerability's potential to affect additional products beyond Solaris demonstrates its cascading impact, as the compromised system could serve as a foothold for broader attacks across interconnected systems.
The operational impact of this vulnerability extends far beyond the immediate compromise of Solaris systems, potentially enabling attackers to establish persistent access points within virtualized environments. Attackers exploiting this weakness could leverage the compromised kernel zones to gain unauthorized modifications to system data, potentially leading to data corruption, unauthorized access to sensitive information, or disruption of critical services. The attack's ability to significantly impact additional products aligns with the concept of lateral movement in cybersecurity frameworks, where initial access through one vulnerable component can enable compromise of related systems. This vulnerability particularly affects virtualized environments where Kernel Zones are utilized, making it a critical concern for organizations deploying containerized applications or virtual machine architectures that rely on kernel zone networking capabilities.
Mitigation strategies for CVE-2017-3510 should prioritize immediate patch deployment from Oracle to address the kernel zone virtualized NIC driver vulnerability. Organizations should implement network segmentation and access controls to limit potential attack vectors, particularly focusing on restricting unnecessary network access to Solaris systems. Security monitoring should include detection of anomalous network traffic patterns and unauthorized system modifications that could indicate exploitation attempts. The vulnerability's classification under CWE-284 (Improper Access Control) and its alignment with ATT&CK technique T1068 (Exploitation for Privilege Escalation) emphasizes the need for comprehensive security controls including regular vulnerability assessments, privilege management reviews, and network traffic analysis to detect and prevent exploitation attempts. Additionally, organizations should consider implementing micro-segmentation strategies to limit the potential impact of successful exploitation and maintain robust backup and recovery procedures to address potential data integrity violations.