CVE-2018-19077 : Vulnerability Insights and Analysis
Discover the impact of CVE-2018-19077 affecting Foscam Opticam i5 devices. Learn about the vulnerability, affected systems, exploitation method, and mitigation steps.
A vulnerability has been found on Foscam Opticam i5 devices running System Firmware 1.5.2.11 and Application Firmware 2.21.1.128. The RtspServer component can be exploited by malicious individuals to initiate a denial of service attack, leading to the hang or restart of the device's daemon, by injecting a negative integer into the RTSP Content-Length header.
Understanding CVE-2018-19077
This CVE identifies a vulnerability in Foscam Opticam i5 devices that can be exploited to cause a denial of service attack.
What is CVE-2018-19077?
CVE-2018-19077 is a vulnerability affecting Foscam Opticam i5 devices, allowing remote attackers to trigger a denial of service by manipulating RTSP headers.
The Impact of CVE-2018-19077
The vulnerability can lead to a denial of service condition, causing the device's daemon to hang or restart, impacting its availability and functionality.
Technical Details of CVE-2018-19077
This section provides technical insights into the vulnerability.
Vulnerability Description
The RtspServer component in Foscam Opticam i5 devices with specific firmware versions allows remote attackers to disrupt services by injecting a negative integer into the RTSP Content-Length header.
Affected Systems and Versions
- Product: Foscam Opticam i5
- System Firmware: 1.5.2.11
- Application Firmware: 2.21.1.128
Exploitation Mechanism
The vulnerability is exploited by injecting a negative integer into the RTSP Content-Length header, triggering a denial of service attack.
Mitigation and Prevention
Protecting systems from CVE-2018-19077 requires specific actions to mitigate risks.
Immediate Steps to Take
- Disable RTSP if not required for device functionality
- Implement network segmentation to isolate vulnerable devices
- Monitor network traffic for suspicious RTSP requests
Long-Term Security Practices
- Regularly update firmware to patch known vulnerabilities
- Conduct security assessments to identify and address potential weaknesses
- Educate users on safe practices to prevent exploitation
Patching and Updates
- Apply patches provided by the vendor to address the vulnerability
- Stay informed about security advisories and updates from Foscam