CVE-2017-17968 : Security Advisory and Response
Learn about CVE-2017-17968, a buffer overflow vulnerability in NetTransport Download Manager allowing remote code execution on NAS devices. Find mitigation steps and preventive measures here.
A buffer overflow vulnerability in NetTransport Download Manager version 2.96L and earlier allows remote HTTP servers to execute unauthorized code on NAS devices.
Understanding CVE-2017-17968
What is CVE-2017-17968?
This CVE identifies a buffer overflow issue in NetTransport.exe, a component of NetTransport Download Manager, which could be exploited by remote HTTP servers to run unauthorized code on NAS devices.
The Impact of CVE-2017-17968
The vulnerability poses a significant risk as it enables attackers to execute arbitrary code on affected NAS devices by sending a lengthy HTTP response.
Technical Details of CVE-2017-17968
Vulnerability Description
The buffer overflow vulnerability in NetTransport.exe allows remote HTTP servers to execute unauthorized code on NAS devices.
Affected Systems and Versions
- Product: NetTransport Download Manager
- Versions affected: 2.96L and earlier
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a lengthy HTTP response to trigger the buffer overflow and execute malicious code.
Mitigation and Prevention
Immediate Steps to Take
- Disable NetTransport Download Manager until a patch is available.
- Implement network segmentation to limit access to NAS devices.
Long-Term Security Practices
- Regularly update software and firmware to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses.
Patching and Updates
- Check for security updates from the software vendor and apply patches promptly to mitigate the vulnerability.