CVE-2017-15805 : What You Need to Know
Learn about CVE-2017-15805 affecting Cisco Small Business SA520 and SA540 devices. Discover the impact, technical details, and mitigation steps for this directory traversal vulnerability.
Cisco Small Business SA520 and SA540 devices with firmware versions 2.1.71 and 2.2.0.7 are vulnerable to a directory traversal exploit that allows unauthorized access to read arbitrary files.
Understanding CVE-2017-15805
Cisco Small Business SA520 and SA540 devices are susceptible to a directory traversal vulnerability that can be exploited to gain unauthorized access.
What is CVE-2017-15805?
The vulnerability in the scgi-bin/platform.cgi script of Cisco Small Business SA520 and SA540 devices allows attackers to perform directory traversal through the "thispage" parameter, leading to unauthorized access to read arbitrary files.
The Impact of CVE-2017-15805
This vulnerability enables attackers to access sensitive information stored on the affected devices, potentially leading to unauthorized disclosure of data and compromising the security of the network.
Technical Details of CVE-2017-15805
Cisco Small Business SA520 and SA540 devices are affected by a critical vulnerability that exposes them to exploitation.
Vulnerability Description
The vulnerability in the scgi-bin/platform.cgi script allows attackers to traverse directories using the "thispage" parameter, granting unauthorized access to read arbitrary files.
Affected Systems and Versions
- Product: Cisco Small Business SA520 and SA540 devices
- Firmware Versions: 2.1.71 and 2.2.0.7
Exploitation Mechanism
Attackers can exploit the vulnerability by manipulating the "thispage" parameter in the scgi-bin/platform.cgi script, enabling them to perform directory traversal and access unauthorized files.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-15805.
Immediate Steps to Take
- Disable remote access to affected devices if not required
- Implement network segmentation to limit exposure
- Monitor network traffic for any suspicious activity
Long-Term Security Practices
- Regularly update firmware and security patches
- Conduct security assessments and penetration testing
- Educate users on best security practices
Patching and Updates
- Apply the latest firmware updates provided by Cisco to mitigate the vulnerability and enhance device security.