CVE-2018-6832 : Vulnerability Insights and Analysis
Learn about CVE-2018-6832, a critical stack-based buffer overflow vulnerability in various Foscam Camera models, potentially allowing remote attackers to cause a denial of service. Find out the impacted systems, exploitation details, and mitigation steps.
A vulnerability related to stack-based buffer overflow has been discovered in the getSWFlag function of various Foscam Camera models.
Understanding CVE-2018-6832
This CVE involves a critical vulnerability in multiple Foscam Camera models that could lead to a denial of service attack.
What is CVE-2018-6832?
The vulnerability is a stack-based buffer overflow in the getSWFlag function of various Foscam Camera models, potentially allowing remote attackers to cause a denial of service by crashing and rebooting the affected device.
The Impact of CVE-2018-6832
Exploiting this vulnerability could result in a crash and reboot of the affected Foscam Camera models, leading to a denial of service condition.
Technical Details of CVE-2018-6832
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability exists in multiple Foscam Camera models due to a stack-based buffer overflow in the getSWFlag function.
Affected Systems and Versions
The following Foscam Camera models are affected by this vulnerability:
- C1 Lite V3, C1 V3
- FI9800P V3, FI9803P V4, FI9851P V3, FI9853EP V2
- FI9816P V3, FI9821EP V2, FI9821P V3, FI9826P V3, FI9831P V3
- And many more models with specific firmware versions mentioned in the data.
Exploitation Mechanism
The vulnerability can be exploited by utilizing the callbackJson parameter, allowing remote attackers to trigger a denial of service attack.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial to prevent potential attacks.
Immediate Steps to Take
- Update the firmware of the affected Foscam Camera models to the latest version provided by the vendor.
- Implement network segmentation to isolate vulnerable devices.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software on all network-connected devices.
- Conduct security assessments and penetration testing to identify and address vulnerabilities.
- Educate users on best practices for device security and safe online behavior.
Patching and Updates
- Stay informed about security advisories and updates from Foscam.
- Apply patches and updates promptly to mitigate known vulnerabilities.