CVE-2022-28999 in Dev-CPP
Summary
by MITRE • 05/24/2022
Insecure permissions in the install directories and binaries of Dev-CPP v4.9.9.2 allows attackers to execute arbitrary code via overwriting the binary devcpp.exe.
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Analysis
by VulDB Data Team • 05/29/2022
The vulnerability identified as CVE-2022-28999 represents a critical security flaw in Dev-CPP version 4.9.9.2 that stems from improper file system permissions within the application's installation directories. This issue falls under the category of insecure permissions as classified by CWE-732, where inadequate access controls allow unauthorized users to modify critical system components. The vulnerability specifically affects the installation directory structure where the primary executable devcpp.exe resides, creating a pathway for privilege escalation and arbitrary code execution. Attackers can exploit this weakness by simply overwriting the legitimate executable file with a malicious version, bypassing normal authentication and authorization mechanisms that would typically protect against such modifications.
The technical exploitation of this vulnerability occurs through a straightforward but dangerous method of privilege escalation. When Dev-CPP is installed with default settings, the installation directory often grants write permissions to less privileged user accounts, particularly in Windows environments where default installations may not enforce strict access controls. This misconfiguration allows any user with basic file system write access to replace the devcpp.exe binary with a malicious variant. The flaw operates at the operating system level rather than within the application's code itself, making it particularly dangerous as it leverages fundamental system security principles rather than application-specific vulnerabilities. The attack vector demonstrates a classic path for privilege escalation attacks and aligns with techniques documented in the MITRE ATT&CK framework under the privilege escalation tactic.
The operational impact of CVE-2022-28999 extends beyond simple code execution, potentially enabling attackers to establish persistent access to compromised systems. Once an attacker successfully overwrites the devcpp.exe binary, they can execute malicious code with the privileges of the user account that has write access to the installation directory. This could lead to complete system compromise if the application runs with elevated privileges or if the attacker can leverage the compromised development environment to access other system resources. The vulnerability is particularly concerning in multi-user environments or shared development workstations where less privileged users might gain access to the installation directory through default configurations. The attack requires minimal technical expertise, making it a popular choice among threat actors seeking to establish footholds in target environments.
Mitigation strategies for this vulnerability focus on proper access control implementation and system hardening practices. Organizations should immediately review and correct file system permissions on Dev-CPP installation directories, ensuring that only authorized administrators have write access to critical executable files. The recommended approach involves implementing the principle of least privilege by restricting write permissions to the installation directory and ensuring that only trusted users or groups can modify the application binaries. System administrators should also consider implementing application whitelisting policies that prevent unauthorized executables from running on the system. Additionally, regular security audits of installed software should include verification of file permissions and access controls to prevent similar issues from occurring in other applications. The vulnerability serves as a reminder of the importance of proper system configuration management and the need for regular security assessments to identify and remediate insecure default settings in commonly used software packages.