CVE-2023-1270 in btcpayserver
Summary
by MITRE • 03/08/2023
Command Injection in GitHub repository btcpayserver/btcpayserver prior to 1.8.3.
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Analysis
by VulDB Data Team • 08/11/2025
The vulnerability identified as CVE-2023-1270 represents a critical command injection flaw within the btcpayserver repository management system prior to version 1.8.3. This issue arises from insufficient input validation and sanitization mechanisms that allow malicious actors to inject arbitrary commands through vulnerable parameters within the application's command execution pathways. The vulnerability specifically affects the server-side processing of user-supplied data that is subsequently executed as system commands without proper authorization checks or sanitization measures.
This command injection vulnerability falls under the CWE-77 category, which specifically addresses command injection flaws in software applications. The flaw occurs when the application fails to properly escape or validate command arguments before executing system-level operations, creating an attack surface where adversaries can manipulate the execution flow of critical system processes. The vulnerability is particularly concerning in a payment processing context where btcpayserver handles cryptocurrency transactions and financial data management, as it could potentially allow attackers to execute arbitrary code on the underlying server infrastructure.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to escalate privileges, access sensitive data, modify system configurations, and potentially compromise the entire payment processing infrastructure. Attackers could leverage this vulnerability to gain unauthorized access to the server environment, extract stored cryptocurrency wallet information, modify transaction records, or disrupt service availability. The attack vector typically involves crafting malicious payloads that exploit the command injection flaw during normal operational procedures such as user authentication, data processing, or system maintenance operations.
Security professionals should note that this vulnerability aligns with several ATT&CK techniques including T1059.001 for command and scripting interpreter and T1068 for exploit for privilege escalation. The mitigation strategy requires immediate deployment of the patched version 1.8.3 or higher, which includes comprehensive input validation and sanitization mechanisms. Organizations should also implement additional security controls such as web application firewalls, input filtering at multiple layers, and regular security auditing of command execution pathways. Network segmentation and privilege separation should be enforced to limit potential damage from successful exploitation attempts, while monitoring systems should be configured to detect anomalous command execution patterns that might indicate exploitation attempts.