CVE-2014-2476 in Secure Global Desktop
Summary
by MITRE
Unspecified vulnerability in the Oracle Secure Global Desktop component in Oracle Virtualization 5.0 and 5.1 allows remote attackers to affect availability via vectors related to SGD Proxy Server (ttaauxserv), a different vulnerability than CVE-2014-2472, CVE-2014-2474, and CVE-2014-6459.
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Analysis
by VulDB Data Team • 02/23/2022
The vulnerability described in CVE-2014-2476 represents a significant security weakness within Oracle Secure Global Desktop's SGD Proxy Server component, specifically affecting versions 5.0 and 5.1 of Oracle Virtualization. This issue falls under the broader category of availability attacks, where malicious actors can disrupt service operations without necessarily gaining unauthorized access to system resources or data. The vulnerability manifests through unspecified attack vectors that directly impact the ttaauxserv process, which serves as a critical auxiliary service within the SGD Proxy Server framework. Unlike other related vulnerabilities such as CVE-2014-2472, CVE-2014-2474, and CVE-2014-6459, this particular flaw focuses specifically on the auxiliary server functionality that handles various proxy operations and service requests. The affected Oracle Secure Global Desktop component operates as a middleware solution that enables remote desktop access and application delivery within virtualized environments, making it a crucial element in enterprise virtualization deployments where continuous availability is paramount.
The technical nature of this vulnerability stems from implementation flaws within the SGD Proxy Server's auxiliary service handling mechanisms, particularly in how the ttaauxserv process manages incoming requests and resource allocation. Attackers can exploit this weakness to cause service disruption or complete system unavailability through carefully crafted network requests that trigger memory corruption, resource exhaustion, or process termination conditions. The unspecified nature of the attack vectors suggests that multiple exploitation paths exist within the auxiliary server's operational parameters, potentially including buffer overflows, improper input validation, or denial of service conditions that can be triggered remotely. This type of vulnerability typically resides in the CWE-119 category, which encompasses weaknesses related to the use of untrusted input in memory operations, or potentially CWE-400 which deals with resource exhaustion conditions. The attack surface is particularly concerning because the SGD Proxy Server functions as a critical network endpoint that handles authentication, session management, and application delivery requests for remote desktop environments, making any availability disruption potentially catastrophic for business operations.
The operational impact of CVE-2014-2476 extends beyond simple service interruption to encompass broader business continuity concerns within organizations that rely on Oracle Virtualization for remote desktop infrastructure. When the ttaauxserv process becomes unavailable, it can result in complete disruption of remote desktop sessions, application access, and user productivity across the enterprise. This vulnerability particularly affects organizations using Oracle Secure Global Desktop in mission-critical environments where continuous availability is essential, such as financial services, healthcare, or government sectors. The remote exploitation capability means that attackers can potentially disrupt services from anywhere on the network, without requiring physical access or local privileges, making the attack vector particularly dangerous in multi-tenant or cloud-based virtualization environments. From an ATT&CK framework perspective, this vulnerability aligns with the T1499.004 technique related to network denial of service, and potentially the T1499.001 technique for network disruption, as the attack targets service availability rather than data confidentiality or integrity.
Organizations should implement immediate mitigations including applying the relevant Oracle security patches that address this specific vulnerability, along with network segmentation measures that limit direct access to the SGD Proxy Server components. System administrators should also consider implementing intrusion detection systems that can monitor for unusual traffic patterns or connection attempts that may indicate exploitation attempts against the auxiliary server processes. The vulnerability's classification as a remote availability issue makes it particularly important to maintain network monitoring capabilities that can detect anomalous behavior in the SGD Proxy Server's auxiliary services. Additionally, implementing proper access controls and authentication mechanisms can help reduce the attack surface, while regular vulnerability assessments should be conducted to identify similar weaknesses in the broader Oracle Virtualization ecosystem. Organizations should also develop incident response procedures specifically addressing availability disruptions that may result from this type of vulnerability, ensuring that recovery procedures can be executed quickly to minimize business impact and maintain service continuity for remote desktop users.