CVE-2020-2571 in VM Server for SPARC
Summary
by MITRE
Vulnerability in the Oracle VM Server for SPARC product of Oracle Systems (component: Templates). The supported version that is affected is 3.6. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM Server for SPARC executes to compromise Oracle VM Server for SPARC. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle VM Server for SPARC accessible data. CVSS 3.0 Base Score 3.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 03/24/2024
The vulnerability identified as CVE-2020-2571 affects Oracle VM Server for SPARC version 3.6, specifically within the Templates component. This represents a significant security weakness in virtualization infrastructure that could enable attackers to compromise the underlying server environment. The vulnerability's classification as easily exploitable indicates that attackers can leverage it without requiring extensive technical expertise or specialized tools, making it particularly concerning for organizations relying on SPARC-based virtualization platforms.
The technical flaw resides in the template handling mechanisms of Oracle VM Server for SPARC, where insufficient validation and access controls allow unauthorized modifications to system components. This vulnerability operates under the Common Weakness Enumeration framework as a weakness related to insufficient validation of credentials or access controls, specifically categorized under CWE-284 which addresses improper access control. The attack requires an attacker to already have logon access to the infrastructure hosting the Oracle VM Server for SPARC, suggesting that the vulnerability exploits a privilege escalation or lateral movement vector within the existing access boundaries.
The operational impact of this vulnerability manifests through unauthorized update, insert, or delete operations against Oracle VM Server for SPARC accessible data, representing a compromise of data integrity as indicated by the CVSS 3.0 integrity impact score of 3.3. While the attack vector requires local access and human interaction from someone other than the attacker, this still represents a significant risk because it can be exploited through social engineering or by compromising a legitimate user's credentials. The CVSS vector AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N indicates that the attack requires local network access, low complexity, no prior privileges, requires user interaction, and affects an unscoped system with low integrity impact but no confidentiality or availability impact.
Organizations should implement immediate mitigations including restricting local network access to Oracle VM Server for SPARC installations, implementing strict access controls and monitoring for unauthorized template modifications, and conducting comprehensive security audits of their virtualization environments. The vulnerability's characteristics suggest that implementing principle of least privilege access controls and regular security assessments would significantly reduce the risk of exploitation. Additionally, organizations should ensure that all Oracle VM Server for SPARC instances are updated to the latest supported versions that address this vulnerability, as outlined in Oracle's security bulletins and patch management procedures. This vulnerability demonstrates the critical importance of securing virtualization management interfaces and maintaining up-to-date security controls in enterprise infrastructure environments.