CVE-2018-3938 : Security Advisory and Response
Learn about CVE-2018-3938, a critical stack-based buffer overflow vulnerability in Sony IPELA E Series Camera G5 firmware 1.87.00, enabling remote code execution. Find mitigation steps and long-term security practices here.
Sony IPELA E Series Camera G5 firmware 1.87.00 has a critical stack-based buffer overflow vulnerability in the 802dot1xclientcert.cgi feature, allowing remote code execution.
Understanding CVE-2018-3938
This CVE involves a security issue in Sony IPELA E Series Camera G5 firmware 1.87.00 that can be exploited for remote code execution.
What is CVE-2018-3938?
- The vulnerability exists in the 802dot1xclientcert.cgi functionality of Sony IPELA E Series Camera G5 firmware 1.87.00.
- An attacker can trigger a stack-based buffer overflow by sending a specially crafted POST request.
The Impact of CVE-2018-3938
- CVSS Base Score: 9.1 (Critical)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: High
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Scope: Changed
- User Interaction: None
Technical Details of CVE-2018-3938
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
- The vulnerability allows attackers to achieve remote code execution by exploiting a stack-based buffer overflow in the 802dot1xclientcert.cgi feature.
Affected Systems and Versions
- Product: Sony
- Vendor: Talos
- Version: Sony IPELA E Series G5 firmware 1.87.00
Exploitation Mechanism
- Attackers can exploit this flaw by sending a tailored POST request to the vulnerable 802dot1xclientcert.cgi feature.
Mitigation and Prevention
Protecting systems from CVE-2018-3938 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches or updates to mitigate the vulnerability.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
Patching and Updates
- Stay informed about security advisories from vendors and promptly apply patches to secure systems.