CVE-2017-16690 : What You Need to Know
Learn about CVE-2017-16690, a DLL preload attack vulnerability in SAP Plant Connectivity versions 2.3 and 15.0. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
A malicious DLL preload attack is possible on the NwSapSetup and Installation self-extracting program for SAP Plant Connectivity versions 2.3 and 15.0. This vulnerability could lead to the execution of arbitrary code.
Understanding CVE-2017-16690
This CVE involves a security issue in SAP Plant Connectivity versions 2.3 and 15.0, where system DLLs may be loaded from the same folder as the executable, potentially leading to a DLL preload attack.
What is CVE-2017-16690?
A DLL preload attack vulnerability in SAP Plant Connectivity versions 2.3 and 15.0 allows malicious actors to load system DLLs from the executable's folder instead of the designated system location, potentially executing unauthorized code.
The Impact of CVE-2017-16690
The vulnerability poses a significant risk as it could allow attackers to execute arbitrary code by manipulating DLL loading mechanisms.
Technical Details of CVE-2017-16690
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The issue arises from the improper loading of system DLLs by SAPSetup / NwSapSetup.exe from the same folder as the executable, rather than the designated system folders.
Affected Systems and Versions
- Product: SAP Plant Connectivity
- Versions Affected: 2.3, 15.0
Exploitation Mechanism
- Attackers place a malicious DLL with the same name as a system DLL in the executable's folder.
- When SAPSetup / NwSapSetup.exe runs, it loads the malicious DLL instead of the legitimate system DLL, allowing for code execution.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by SAP to address the DLL preload attack vulnerability.
- Regularly monitor for any unauthorized DLLs in the system folders.
Long-Term Security Practices
- Implement secure coding practices to prevent DLL hijacking vulnerabilities.
- Conduct regular security assessments to identify and remediate similar issues.
Patching and Updates
- Stay informed about security updates and patches released by SAP for SAP Plant Connectivity.
- Promptly apply all relevant patches to mitigate the risk of DLL preload attacks.