CVE-2012-4754 in MindManager 2012
Summary
by MITRE
Multiple untrusted search path vulnerabilities in MindManager 2012 10.0.493 allow local users to gain privileges via a Trojan horse (1) ssgp.dll or (2) dwmapi.dll file in the current working directory, as demonstrated by a directory that contains a .mmap file. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 12/13/2021
The vulnerability described in CVE-2012-4754 represents a critical untrusted search path issue affecting MindManager 2012 version 10.0.493. This flaw stems from the application's improper handling of dynamic link library loading mechanisms, creating opportunities for privilege escalation through malicious file placement. The vulnerability specifically targets two critical system libraries: ssgp.dll and dwmapi.dll, which are susceptible to being replaced or manipulated by local attackers. When MindManager processes a .mmap file, it traverses the current working directory to locate required dependencies, inadvertently executing malicious code loaded from these compromised locations.
This type of vulnerability falls under the CWE-426 category, specifically addressing untrusted search path vulnerabilities where applications search for libraries in insecure locations. The attack vector exploits the principle of least privilege by allowing local users to manipulate the execution flow through carefully placed malicious DLL files. The operational impact is significant as it enables attackers to escalate privileges from standard user level to higher privilege levels, potentially gaining system-level access. The vulnerability demonstrates a classic example of how application loading behavior can be manipulated to achieve unauthorized code execution, representing a fundamental flaw in the software's security architecture and dependency resolution mechanisms.
The exploitation process involves placing malicious versions of ssgp.dll or dwmapi.dll in the same directory as a legitimate .mmap file, causing MindManager to load and execute the attacker-controlled code instead of the legitimate system libraries. This technique aligns with ATT&CK tactic T1068, which covers the exploitation of legitimate credentials and system processes to gain elevated privileges. The attack requires minimal user interaction beyond the simple act of opening a maliciously crafted MindManager file, making it particularly dangerous in environments where users may encounter untrusted .mmap files. The vulnerability essentially allows for arbitrary code execution with the privileges of the user running MindManager, potentially leading to complete system compromise if the user has administrative rights.
Mitigation strategies should focus on implementing secure coding practices and addressing the root cause of the untrusted search path issue. Organizations should ensure that MindManager is updated to versions that properly resolve dependencies through secure paths, typically by using absolute paths or implementing proper DLL loading mechanisms. System administrators should consider implementing application whitelisting policies to restrict which executables can run on the system, and users should be educated about the risks of opening untrusted MindManager files. The vulnerability also highlights the importance of proper privilege separation and the need for applications to avoid loading libraries from potentially compromised directories. Security configurations should enforce secure library loading practices and consider implementing additional controls such as Windows Defender Application Control or similar technologies to prevent execution of unauthorized code.