CVE-2022-1036 in microweber
Summary
by MITRE • 03/22/2022
Able to create an account with long password leads to memory corruption / Integer Overflow in GitHub repository microweber/microweber prior to 1.2.12.
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Analysis
by VulDB Data Team • 03/25/2022
The vulnerability identified as CVE-2022-1036 represents a critical integer overflow condition within the Microweber content management system prior to version 1.2.12. This flaw exists in the account creation functionality where the system fails to properly validate password length inputs, allowing attackers to submit excessively long passwords that trigger memory corruption issues. The vulnerability specifically manifests when the application processes password inputs without adequate bounds checking, leading to arithmetic overflow conditions that can corrupt memory structures and potentially enable arbitrary code execution.
This vulnerability maps to CWE-190, Integer Overflow or Wraparound, which occurs when a program performs a calculation using integer values that exceed the maximum representable value for the data type, resulting in unexpected behavior and potential security consequences. The flaw demonstrates characteristics consistent with CWE-129, Improper Validation of Array Index, as the system does not properly validate input parameters before processing them in memory allocation contexts. The integer overflow condition creates a scenario where the application's memory management becomes compromised, potentially allowing attackers to manipulate memory layout and execute malicious code through carefully crafted password inputs.
The operational impact of CVE-2022-1036 extends beyond simple account creation manipulation as it represents a potential pathway for remote code execution within the targeted environment. Attackers can exploit this vulnerability by creating accounts with extremely long passwords, which triggers the integer overflow condition during internal memory allocation processes. The memory corruption resulting from this overflow can lead to application crashes, data corruption, or more severe consequences including privilege escalation and complete system compromise. This vulnerability particularly affects environments where Microweber is deployed with administrative privileges, as successful exploitation could enable attackers to gain unauthorized access to sensitive system resources.
From an ATT&CK framework perspective, this vulnerability aligns with T1190, Exploit Public-Facing Application, as it represents an attack vector through the application's account creation interface. The flaw also connects to T1078, Valid Accounts, since successful exploitation could lead to account compromise and persistent access. The vulnerability demonstrates characteristics of T1210, Exploitation of Remote Services, as it allows remote attackers to manipulate application behavior through network-based input validation. Organizations should consider this vulnerability as part of their broader threat modeling efforts, particularly in environments where Microweber serves as a public-facing web application.
Mitigation strategies for CVE-2022-1036 require immediate implementation of version updates to Microweber 1.2.12 or later, which includes proper input validation and bounds checking for password length parameters. Organizations should also implement input sanitization measures at the application level, including setting maximum password length limits and implementing robust validation routines that prevent excessively long inputs from being processed. Network-level protections such as web application firewalls can provide additional defense-in-depth measures by monitoring for suspicious password length patterns and blocking malformed requests. Security monitoring should include detection of unusual account creation patterns and input validation failures that may indicate exploitation attempts. Additionally, implementing proper error handling and memory management practices within the application codebase can help prevent similar vulnerabilities from manifesting in other components of the system.