CVE-2022-26331 in ArcSight Logger
Summary
by MITRE • 08/31/2022
Potential vulnerabilities have been identified in Micro Focus ArcSight Logger. The vulnerabilities could be remotely exploited resulting in Information Disclosure, or Self Cross-Site Scripting (XSS). This issue affects: Micro Focus ArcSight Logger versions prior to v7.2.2 version and prior versions.
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Analysis
by VulDB Data Team • 09/01/2022
The vulnerability identified as CVE-2022-26331 represents a critical security weakness in Micro Focus ArcSight Logger software that has significant implications for organizations relying on this security information and event management solution. This flaw exists in versions prior to v7.2.2 and presents a dual threat landscape that combines information disclosure capabilities with self-cross-site scripting vulnerabilities. The affected product serves as a centralized logging and monitoring platform that processes vast amounts of security events and log data from various network sources, making it a prime target for attackers seeking to compromise security operations centers and extract sensitive operational information.
The technical exploitation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the ArcSight Logger web interface. Attackers can leverage this weakness to inject malicious scripts that execute within the context of the victim's browser session, enabling self-XSS attacks where the malicious payload is stored and subsequently executed when legitimate users view affected pages. Additionally, the information disclosure aspect allows unauthorized access to sensitive data that may include system configurations, user credentials, or operational details that could be used for further attacks. This vulnerability aligns with CWE-79 Cross-Site Scripting and CWE-200 Information Disclosure, both of which are fundamental security concerns in web application development and security architecture.
The operational impact of CVE-2022-26331 extends beyond simple data exposure, as it fundamentally undermines the integrity of the security monitoring infrastructure. Organizations using affected versions of ArcSight Logger face potential compromise of their security event monitoring capabilities, where attackers could manipulate log data or gain unauthorized access to security dashboards and reports. The self-XSS vulnerability particularly threatens administrative users who regularly interact with the console, as successful exploitation could lead to persistent malicious code execution that remains active across user sessions. This creates a persistent threat vector that could be leveraged for privilege escalation or to establish long-term presence within the network security infrastructure, directly contradicting the foundational security principles that security monitoring tools are designed to uphold.
Mitigation strategies for this vulnerability require immediate patch management implementation, with organizations urgently upgrading to ArcSight Logger version 7.2.2 or later to address the identified flaws. Network segmentation and access controls should be enhanced to limit exposure of the affected system to untrusted networks, while regular security assessments should be conducted to identify potential exploitation attempts. The implementation of web application firewalls and content security policies can provide additional defense-in-depth measures, though these should be viewed as temporary mitigations until the official patch is deployed. Security teams must also conduct comprehensive vulnerability assessments of their ArcSight Logger deployments to identify any potential backdoors or persistent threats that may have already been established through exploitation of this vulnerability, aligning with the ATT&CK framework's reconnaissance and initial access phases. Regular monitoring of security logs for unusual activity patterns and unauthorized access attempts should be implemented as part of the remediation process to ensure complete elimination of the threat vector.