CVE-2023-22040 in WebLogic Server
Summary
by MITRE • 07/19/2023
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebLogic Server. CVSS 3.1 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H).
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Analysis
by VulDB Data Team • 08/13/2023
The CVE-2023-22040 vulnerability represents a critical security flaw within Oracle WebLogic Server, specifically within the Core component of Oracle Fusion Middleware. This vulnerability affects two major version lines including 12.2.1.4.0 and 14.1.1.0.0, which are widely deployed in enterprise environments for application hosting and middleware services. The vulnerability's classification as easily exploitable indicates that attackers with high privileges and network access can leverage this weakness without requiring extensive technical expertise or specialized tools. The attack vector operates through multiple protocols, making the vulnerability particularly dangerous as it can be exploited across different network communication channels. The CVSS 3.1 scoring system assigns this vulnerability a base score of 6.5, reflecting significant impacts to both integrity and availability aspects of the affected systems.
The technical nature of this vulnerability stems from inadequate input validation or processing within the WebLogic Server core components, allowing malicious actors to manipulate the server's behavior through carefully crafted network requests. The flaw enables attackers with high privileges to perform unauthorized operations against the server's data repository, including creation, deletion, and modification of critical information. This represents a severe integrity breach that could compromise sensitive enterprise data, system configurations, and business-critical information stored within the WebLogic environment. Additionally, the vulnerability's potential to cause complete denial of service through server hangs or repeated crashes presents a significant availability risk that could disrupt business operations and service availability for extended periods.
The operational impact of CVE-2023-22040 extends beyond simple data compromise, as it creates a comprehensive attack surface that can be leveraged for both data manipulation and service disruption. Organizations running affected WebLogic Server versions face the risk of complete system compromise, where attackers could potentially gain persistent access to enterprise networks through the compromised middleware infrastructure. The vulnerability's ability to cause repeated crashes makes it particularly dangerous for mission-critical applications that depend on WebLogic Server for their operation, as even intermittent service disruptions could result in significant business impact. From a security perspective, this vulnerability aligns with CWE-20 (Improper Input Validation) and represents a classic example of how insufficient validation can lead to privilege escalation and data integrity compromise.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected systems, as Oracle has released security updates to address the specific flaw. Organizations should implement network segmentation and access controls to limit exposure of WebLogic Server instances to only necessary network segments and authorized personnel. The principle of least privilege should be strictly enforced, ensuring that only essential users and systems have access to the affected server components. Network monitoring and intrusion detection systems should be configured to detect unusual patterns of access or potential exploitation attempts. Additionally, organizations should conduct comprehensive vulnerability assessments to identify other potentially affected systems within their environment and implement proper incident response procedures to address potential exploitation attempts. This vulnerability demonstrates the importance of maintaining up-to-date security patches and the critical nature of protecting enterprise middleware infrastructure, as these systems often serve as central points of attack for broader network compromises. The ATT&CK framework categorizes this vulnerability under privilege escalation and denial of service techniques, highlighting its potential for both data manipulation and service disruption attacks that can significantly impact enterprise security posture.