CVE-2013-2208 in tpp
Summary
by MITRE
tpp 1.3.1 allows remote attackers to execute arbitrary commands via a --exec command in a TPP template file.
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Analysis
by VulDB Data Team • 01/09/2022
The vulnerability identified as CVE-2013-2208 affects tpp version 1.3.1, a command-line tool designed for processing text files and generating output in various formats. This flaw represents a critical security issue that enables remote attackers to execute arbitrary commands on systems running the affected software. The vulnerability stems from insufficient input validation and sanitization within the TPP template processing functionality, creating an environment where maliciously crafted template files can be exploited to gain unauthorized command execution capabilities.
The technical implementation of this vulnerability occurs through the --exec command parameter within TPP template files. When the application processes a template containing this command, it fails to properly validate or sanitize the input parameters, allowing attackers to inject and execute arbitrary system commands. This represents a classic command injection vulnerability where user-controlled data flows directly into system execution contexts without adequate security controls. The flaw exists at the application level where template processing logic does not adequately separate user input from command execution contexts, creating a direct path for malicious code execution.
From an operational perspective, this vulnerability presents significant risks to systems that process untrusted template files or when users can influence template content. Attackers can leverage this weakness to execute commands with the privileges of the user running the tpp application, potentially leading to complete system compromise. The remote nature of the attack means that adversaries do not require local access to exploit the vulnerability, making it particularly dangerous in networked environments. This vulnerability can be exploited in scenarios involving web applications that use tpp for document generation, automated report processing, or any system where template files might be sourced from untrusted origins.
The impact of this vulnerability aligns with CWE-78, which describes improper neutralization of special elements used in OS commands, and reflects patterns commonly seen in command injection attacks. Organizations utilizing tpp version 1.3.1 should implement immediate mitigations including upgrading to a patched version of the software, implementing strict input validation for template files, and restricting template file sources to trusted origins only. Network segmentation and access controls should be enforced to limit potential exploitation paths. Additionally, security monitoring should be enhanced to detect suspicious command execution patterns and template file modifications. The ATT&CK framework categorizes this vulnerability under privilege escalation and command and control techniques, emphasizing the need for comprehensive security controls including application whitelisting, input sanitization, and regular security assessments to prevent exploitation.
Organizations should prioritize patch management to address this vulnerability promptly, as the affected version lacks proper security controls for handling user-provided template data. The vulnerability demonstrates the importance of secure coding practices and input validation in preventing command injection attacks. System administrators should also consider implementing additional security layers such as sandboxing template processing environments and monitoring for unusual command execution patterns. Regular security audits and vulnerability assessments should be conducted to identify similar weaknesses in other applications that process user-provided templates or configuration files. The remediation process must include thorough testing of patched versions to ensure that security improvements do not introduce regressions in functionality.