CVE-2023-22083 in Enterprise Session Border Controller
Summary
by MITRE • 10/25/2023
Vulnerability in the Oracle Enterprise Session Border Controller product of Oracle Communications (component: Web UI). Supported versions that are affected are 9.0-9.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Enterprise Session Border Controller. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Enterprise Session Border Controller accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 11/08/2023
The Oracle Enterprise Session Border Controller represents a critical component in telecommunications infrastructure serving as a gateway for session border control functions within enterprise communications environments. This system operates as a web-based interface for managing and monitoring communication sessions, making it a prime target for cyber adversaries seeking to exploit weaknesses in enterprise communication infrastructure. The vulnerability resides specifically within the Web UI component of version 9.0 through 9.2, indicating a widespread impact across multiple releases of this critical telecommunications product.
This vulnerability manifests as an authentication bypass issue that allows unauthenticated attackers to access sensitive data through HTTPS connections without requiring any prior credentials or privileged access. The CVSS 3.1 score of 4.3 reflects the moderate severity of the issue, with confidentiality impacts being the primary concern. The attack vector requires network access via HTTPS, meaning the vulnerability can be exploited from external networks without requiring physical access or prior authentication. The fact that this is classified as easily exploitable indicates that the attack mechanism does not require sophisticated techniques or specialized tools, making it particularly dangerous in production environments.
The operational impact of this vulnerability extends beyond simple data exposure, as it allows unauthorized read access to a subset of the system's accessible data. While the attack requires human interaction from someone other than the attacker, this typically involves social engineering or phishing techniques to initiate the exploitation process. The subset nature of the data access suggests that the vulnerability may be limited to specific data categories or access levels rather than providing complete system compromise. However, in enterprise communication environments, even partial data access can reveal sensitive information about communication patterns, user behavior, or system configurations that could be leveraged for further attacks.
The vulnerability aligns with CWE-287 which addresses improper authentication issues, specifically focusing on the lack of proper authentication mechanisms in web interfaces. From an adversarial perspective, this vulnerability maps to several ATT&CK techniques including initial access through network service scanning and credential access through exploitation of weak authentication mechanisms. The requirement for human interaction suggests that attackers might employ phishing campaigns or social engineering to trick users into performing actions that trigger the vulnerability, potentially through malicious links or attachments that initiate the vulnerable web interface access.
Organizations should implement immediate mitigations including network segmentation to limit access to the affected system, deploying web application firewalls to monitor and filter traffic to the vulnerable web interface, and conducting comprehensive network scans to identify any exploitation attempts. Regular security updates and patches should be prioritized to address the vulnerability, while network monitoring should be enhanced to detect unusual access patterns to the web interface. Additionally, implementing multi-factor authentication mechanisms and conducting user awareness training to prevent social engineering attacks that could trigger this vulnerability are essential defensive measures. The vulnerability demonstrates the importance of securing web interfaces in enterprise communication systems and highlights the need for regular security assessments of critical infrastructure components.