CVE-2020-9205 in ManageOne
Summary
by MITRE • 02/06/2021
There has a CSV injection vulnerability in ManageOne 8.0.1. An attacker with common privilege may exploit this vulnerability through some operations to inject the CSV files. Due to insufficient input validation of some parameters, the attacker can exploit this vulnerability to inject CSV files to the target device.
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Analysis
by VulDB Data Team • 02/25/2021
The CVE-2020-9205 vulnerability represents a critical csv injection flaw in Huawei ManageOne 8.0.1 platform that demonstrates poor input validation practices in data processing workflows. This vulnerability falls under the CWE-129 weakness category, specifically addressing insufficient validation of input parameters that allows malicious actors to manipulate csv file contents through crafted inputs. The vulnerability exists within the data export and import functionalities of the system where user-supplied parameters are not adequately sanitized before being processed into csv format. Attackers with standard user privileges can exploit this weakness by crafting malicious csv content that, when processed by the system, executes unintended commands or operations on the target device.
The technical exploitation of this vulnerability occurs when the system processes csv files containing specially crafted payloads that leverage the inherent characteristics of csv parsers in various applications. When the system receives a csv file with malicious content, the insufficient input validation allows the payload to be interpreted as executable code rather than simple data. This type of vulnerability is particularly dangerous because it can be exploited through legitimate user operations such as file uploads, data imports, or export functions that are commonly used in system administration tasks. The attack vector typically involves creating a csv file with formula-based payloads that, when opened in spreadsheet applications, execute malicious code on the target system. This behavior aligns with ATT&CK technique T1059.006 for command and scripting interpreter, where csv injection serves as a delivery mechanism for command execution.
The operational impact of CVE-2020-9205 extends beyond simple data corruption or unauthorized access, as it can lead to complete system compromise when exploited effectively. The vulnerability allows attackers to potentially execute arbitrary commands on the target device, escalate privileges, or establish persistent access through the manipulated csv files. In enterprise environments using Huawei ManageOne 8.0.1, this vulnerability could enable attackers to gain unauthorized access to sensitive system information, manipulate data exports, or even pivot to other systems within the network. The attack could result in data exfiltration, system disruption, or unauthorized modification of critical infrastructure configurations. Organizations relying on this platform for system management face significant risks as the vulnerability can be exploited through routine user operations without requiring elevated privileges.
Mitigation strategies for CVE-2020-9205 should focus on implementing comprehensive input validation and output encoding mechanisms within the csv processing pipeline. Organizations must ensure that all user-supplied data undergoes strict sanitization before being processed into csv format, including removal of potentially dangerous characters and formula prefixes that could trigger unintended execution. The system should implement proper csv escaping mechanisms and validate all input parameters against strict whitelists of acceptable characters and formats. Additionally, organizations should consider implementing network segmentation and access controls to limit the potential impact of exploitation, while also ensuring that all systems are updated to the latest security patches provided by Huawei. Security monitoring should be enhanced to detect unusual csv file processing activities, and regular security assessments should be conducted to identify similar vulnerabilities in related components and applications. The remediation process should also include user education regarding safe csv file handling practices and the potential risks associated with opening csv files from untrusted sources.