CVE-2023-32755 in U-Office Force
Summary
by MITRE • 08/25/2023
e-Excellence U-Office Force generates an error message in webiste service. An unauthenticated remote attacker can obtain partial sensitive system information from error message by sending a crafted command.
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Analysis
by VulDB Data Team • 08/25/2023
The vulnerability identified as CVE-2023-32755 affects the e-Excellence U-Office Force web service application, representing a critical information disclosure flaw that exposes sensitive system details to unauthenticated remote attackers. This vulnerability resides within the error handling mechanism of the web service, where improper error message generation inadvertently reveals system information that should remain confidential. The flaw manifests when the application processes crafted commands without adequate input validation or sanitization, leading to the exposure of partial system information through error responses. This type of vulnerability falls under the category of information disclosure, which is classified as CWE-209 in the CWE database, specifically addressing error messages containing sensitive information. The ATT&CK framework categorizes this as a reconnaissance technique under T1212, where adversaries gather information about the target system to plan further attacks.
The technical implementation of this vulnerability exploits the web service's failure to properly sanitize or filter user input before processing requests. When an attacker sends a crafted command to the U-Office Force service, the application processes this input through its backend without sufficient validation, resulting in error responses that contain partial system information. This information disclosure occurs because the error handling routine does not adequately strip or mask sensitive data before presenting it to the client. The vulnerability is particularly concerning because it requires no authentication credentials to exploit, making it accessible to any remote attacker with network access to the target system. The exposed information may include system paths, database information, configuration details, or other sensitive data that could aid in subsequent attack phases.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with valuable reconnaissance data that can facilitate more sophisticated attacks against the targeted system. The partial system information obtained through this vulnerability can be leveraged to understand the underlying architecture, identify potential attack vectors, and plan targeted exploitation attempts. This exposure creates opportunities for attackers to conduct further reconnaissance, potentially leading to privilege escalation, data breaches, or system compromise. The vulnerability affects the confidentiality aspect of the CIA triad by introducing unauthorized information disclosure that could be used to gain insights into the system's configuration, software versions, or internal structures. Organizations running affected U-Office Force services face increased risk of targeted attacks, as the leaked information provides attackers with a roadmap for system exploitation.
Mitigation strategies for CVE-2023-32755 should focus on implementing robust input validation, proper error handling, and comprehensive security hardening measures for the U-Office Force web service. Organizations must ensure that error messages are sanitized to remove any sensitive information before being returned to clients, which aligns with security best practices outlined in the OWASP Top Ten and NIST cybersecurity frameworks. The implementation of proper input validation mechanisms should be prioritized to prevent the processing of malformed or malicious commands that trigger the vulnerable error handling paths. Additionally, network segmentation, access controls, and monitoring solutions should be deployed to limit the potential impact of successful exploitation attempts. Regular security assessments, including vulnerability scanning and penetration testing, should be conducted to identify and remediate similar vulnerabilities within the organization's infrastructure, as this type of information disclosure vulnerability often indicates broader security gaps in the application's design and implementation.