CVE-2022-0072 in OpenLiteSpeed
Summary
by MITRE • 10/28/2022
Directory Traversal vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server Dashboard allows Path Traversal. This affects versions from 1.5.11 through 1.5.12, from 1.6.5 through 1.6.20.1, from 1.7.0 before 1.7.16.1
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 10/28/2022
The directory traversal vulnerability identified as CVE-2022-0072 represents a critical security flaw within the LiteSpeed Technologies OpenLiteSpeed Web Server Dashboard component. This vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly restrict access to files and directories outside the intended web root. The affected versions span multiple release branches including 1.5.11 through 1.5.12, 1.6.5 through 1.6.20.1, and 1.7.0 before 1.7.16.1, indicating a widespread impact across the product lineage. The vulnerability specifically targets the dashboard interface which serves as a management portal for administrators to configure and monitor the web server functionality.
The technical exploitation of this directory traversal flaw occurs when an attacker can manipulate input parameters to navigate through the file system hierarchy and access restricted files or directories. This typically involves using sequences such as ../ or ..\ in file path parameters to move up directory levels beyond the intended scope. The vulnerability is classified under CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. When successfully exploited, this vulnerability allows attackers to read arbitrary files on the server, potentially exposing sensitive configuration files, authentication credentials, or other confidential data that should remain protected within the server's restricted file system boundaries.
The operational impact of CVE-2022-0072 extends beyond simple information disclosure, as it can enable attackers to escalate privileges and potentially achieve full system compromise. The dashboard interface typically provides administrative access to critical server functions, making this vulnerability particularly dangerous in environments where the web server is used for production workloads. Attackers could leverage this vulnerability to access server configuration files that might contain database connection strings, API keys, or other sensitive credentials. Additionally, the vulnerability could enable attackers to upload malicious files or execute arbitrary code, depending on the server's configuration and the permissions associated with the vulnerable interface. This represents a significant risk to organizations relying on OpenLiteSpeed for web hosting and application delivery services, as it could lead to complete system compromise and unauthorized access to sensitive data.
Organizations affected by this vulnerability should prioritize immediate remediation through official patches released by LiteSpeed Technologies, which typically address the input validation issues by implementing proper path sanitization and restriction mechanisms. System administrators should also implement network-level mitigations including firewall rules to restrict access to the dashboard interface from untrusted networks, and consider implementing web application firewalls to detect and block malicious path traversal attempts. The vulnerability aligns with ATT&CK technique T1083, which covers directory and file permissions discovery, and T1566, which addresses credential access through various methods including file system access. Security teams should also conduct comprehensive vulnerability assessments to identify any potential exploitation attempts and implement monitoring solutions to detect anomalous file access patterns that might indicate exploitation of this vulnerability. Regular security updates and patch management procedures should be enforced to prevent similar vulnerabilities from being introduced in the future, particularly focusing on input validation and access control mechanisms within web applications.