CVE-2022-1032 in crater
Summary
by MITRE • 03/29/2022
Insecure deserialization of not validated module file in GitHub repository crater-invoice/crater prior to 6.0.6.
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Analysis
by VulDB Data Team • 03/31/2022
The vulnerability identified as CVE-2022-1032 represents a critical insecure deserialization flaw within the crater-invoice/crater repository, specifically affecting versions prior to 6.0.6. This issue arises from the application's failure to properly validate module files during the deserialization process, creating a significant attack surface that adversaries can exploit to execute arbitrary code on affected systems. The vulnerability stems from the application's improper handling of serialized data structures, which allows malicious actors to inject crafted payloads that bypass normal validation mechanisms. According to CWE-502, this vulnerability maps directly to insecure deserialization, a well-documented weakness that has been consistently exploited in various web applications and frameworks.
The technical implementation of this flaw occurs when the application processes module files that contain serialized objects without adequate sanitization or validation checks. Attackers can craft malicious serialized data that, when processed by the vulnerable application, triggers unintended code execution. This type of vulnerability typically occurs in applications that deserialize user-supplied data without proper input validation or type checking. The flaw essentially allows an attacker to manipulate the deserialization process to execute malicious code with the privileges of the affected application, potentially leading to complete system compromise. This vulnerability aligns with ATT&CK technique T1203, which describes exploitation of software vulnerabilities through deserialization attacks.
The operational impact of CVE-2022-1032 extends beyond simple code execution, as it can enable attackers to establish persistent access, escalate privileges, and potentially move laterally within network environments. Organizations using affected versions of the crater-invoice/crater application face significant risk of data breaches, system compromise, and potential regulatory violations. The vulnerability affects the application's core functionality and can be exploited remotely without requiring authentication, making it particularly dangerous in production environments. The lack of proper validation mechanisms means that even legitimate users could inadvertently trigger the vulnerability through malformed module files, creating both security and operational risks.
Mitigation strategies for this vulnerability include immediate upgrade to version 6.0.6 or later, which addresses the insecure deserialization issue through proper input validation and sanitization. Organizations should implement comprehensive input validation mechanisms that verify the integrity and type of all serialized data before processing. Additional protective measures include implementing strict access controls, monitoring for unusual deserialization activities, and conducting regular security assessments of third-party components. Security professionals should also consider implementing web application firewalls and runtime application self-protection mechanisms to detect and prevent exploitation attempts. The remediation process should include thorough code review to identify other potential deserialization vulnerabilities within the application's codebase and implementation of secure coding practices that prevent similar issues from occurring in future development cycles.