Overview
CVE-2025-43950 is a critical vulnerability that affects DPMAdirektPro 4.1.5, a widely used software product. This vulnerability is attributed to DLL Hijacking, which occurs when a malicious DLL is placed in a directory where a legitimate DLL is expected to reside. The software application then loads the malicious DLL instead of the legitimate one, thus causing a privilege escalation. This vulnerability is a serious threat as it can potentially lead to system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2025-43950
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: Privilege escalation, potential system compromise or data leakage
Affected Products
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Product | Affected Versions
DPMAdirektPro | 4.1.5
How the Exploit Works
The exploit works by taking advantage of an application’s failure to load DLLs securely. The attacker places a malicious DLL in a directory where the application expects to find a legitimate DLL. Once the application attempts to load the DLL, it inadvertently loads the attacker’s malicious DLL instead. This malicious DLL runs with the same privileges as the application, thereby causing a privilege escalation. This could potentially lead to the compromise of the entire system or leakage of sensitive data.
Conceptual Example Code
DLL Hijacking exploits typically do not involve sending HTTP requests. Instead, they involve placing a malicious DLL in the correct location. Here is a conceptual shell command example of how an attacker might copy a malicious DLL to a vulnerable location:
cp /path/to/malicious.dll /path/to/application/directory/In this example, the ‘cp’ command is used to copy the malicious DLL to the directory where the application is expected to load the DLL from. After the command is executed, the next time the application attempts to load the DLL, it will load the malicious DLL instead.
Mitigation
To mitigate the risks posed by this vulnerability, users are advised to apply the vendor-supplied patch as soon as it’s available. Until the patch is applied, users can use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure. These systems can detect and block attempts to exploit this vulnerability. However, they should not be considered a long-term solution, and the patch should be applied as soon as possible.