CVE-2015-8090 in LogLogic Unity
Summary
by MITRE
The Web Server component in TIBCO LogLogic Unity before 1.1.1 allows remote authenticated users to gain privileges, and consequently obtain sensitive information, via an HTTP request.
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Analysis
by VulDB Data Team • 04/11/2018
The vulnerability identified as CVE-2015-8090 affects the Web Server component within TIBCO LogLogic Unity version 1.1.0 and earlier. This represents a critical privilege escalation flaw that enables authenticated remote attackers to elevate their access rights and subsequently obtain sensitive information from the system. The vulnerability exists within the web server implementation that processes HTTP requests, creating an avenue for malicious actors who have already established authentication credentials to further compromise the system. The affected component processes user requests without proper authorization checks, allowing attackers to manipulate their access level through crafted HTTP requests. This flaw fundamentally undermines the security model of the application by permitting authenticated users to bypass normal access controls and gain elevated privileges.
The technical implementation of this vulnerability stems from inadequate input validation and privilege management within the web server component. When processing HTTP requests, the system fails to properly verify whether the authenticated user has sufficient permissions to perform the requested operations. This weakness allows attackers to submit specially crafted requests that manipulate the authentication context, effectively escalating their privileges from standard user level to administrative or elevated access. The flaw likely involves improper session management or access control validation where the system does not adequately enforce authorization boundaries. Attackers can exploit this by leveraging their existing authenticated session to make requests that would normally be restricted, thereby gaining access to sensitive data, system configuration information, or additional administrative functions.
The operational impact of CVE-2015-8090 is severe and multifaceted, particularly within enterprise security monitoring environments where TIBCO LogLogic Unity is commonly deployed. An attacker who successfully exploits this vulnerability can access sensitive log data, system configurations, user credentials, and potentially gain access to other systems within the network that rely on the compromised LogLogic Unity instance. The privilege escalation capability means that attackers can move laterally within the network infrastructure, potentially accessing additional systems or data sources that were previously protected by access controls. This vulnerability is particularly dangerous in security operations centers where log management systems contain critical operational data, forensic evidence, and sensitive security information that could be used for further attacks or to compromise the entire security infrastructure.
Mitigation strategies for CVE-2015-8090 should prioritize immediate patching of affected systems to version 1.1.1 or later where the vulnerability has been addressed. Organizations should implement network segmentation and access controls to limit the attack surface and prevent unauthorized access to the affected web server component. Regular security assessments and penetration testing should be conducted to identify similar privilege escalation vulnerabilities within the application stack. The vulnerability aligns with CWE-284 which describes improper access control issues, and may map to ATT&CK techniques related to privilege escalation and credential access. Additional protective measures include implementing robust monitoring for unusual HTTP request patterns, enforcing strict input validation, and establishing comprehensive audit trails to detect unauthorized privilege escalation attempts. Security teams should also consider implementing multi-factor authentication and role-based access controls to reduce the impact of potential exploitation.