CVE-2022-44720 in Ucopia
Summary
by MITRE • 06/29/2023
An issue was discovered in Weblib Ucopia before 6.0.13. OS Command Injection injection can occur, related to chroot.
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Analysis
by VulDB Data Team • 07/21/2023
The vulnerability identified as CVE-2022-44720 represents a critical operating system command injection flaw within the Weblib Ucopia software suite prior to version 6.0.13. This issue specifically manifests in the chroot functionality, which is a fundamental system call used to change the root directory of a process, commonly employed for security isolation and sandboxing purposes. The vulnerability arises from inadequate input validation and sanitization within the chroot implementation, creating an attack vector where malicious actors can inject arbitrary operating system commands through improperly validated user-supplied parameters.
The technical exploitation of this vulnerability occurs when the application fails to properly sanitize or escape user input before passing it to the chroot system call. This allows attackers to manipulate the command execution flow by injecting malicious command sequences that bypass normal input validation mechanisms. The flaw essentially permits command injection attacks that can execute arbitrary code with the privileges of the affected process, potentially leading to complete system compromise. According to CWE classification, this vulnerability maps to CWE-77 which specifically addresses command injection flaws, while the ATT&CK framework categorizes this under T1059.001 for command and scripting interpreter and T1068 for exploit for privilege escalation.
The operational impact of this vulnerability extends beyond simple code execution, as it can enable attackers to establish persistent access, escalate privileges, and potentially compromise the entire system infrastructure. The chroot environment, which is typically designed to provide security isolation, becomes a vector for attackers to break out of the intended sandboxed environment and gain broader system access. Organizations utilizing Weblib Ucopia versions prior to 6.0.13 face significant risk of unauthorized access, data breaches, and potential lateral movement within their network infrastructure. The vulnerability affects systems where the software is deployed with elevated privileges, making the potential impact even more severe.
Mitigation strategies for CVE-2022-44720 primarily focus on immediate remediation through the application of the vendor-provided patch or upgrade to version 6.0.13 or later. Organizations should implement comprehensive input validation and sanitization measures to prevent command injection attacks, including the adoption of parameterized queries and strict input filtering. Network segmentation and privilege separation can help limit the potential damage from successful exploitation attempts. Security monitoring should be enhanced to detect anomalous command execution patterns, and regular security assessments should verify the effectiveness of implemented controls. The vulnerability highlights the critical importance of maintaining up-to-date software components and implementing robust security practices throughout the software development lifecycle to prevent such injection vulnerabilities from compromising system integrity.