CVE-2018-11025 : What You Need to Know

CVE-2018-11025 was published on October 16, 2018, and involves a vulnerability in the kernel component of Amazon Kindle Fire HD(3rd) Fire OS 4.5.5.3 that allows attackers to inject a crafted argument, leading to a kernel crash.

Understanding CVE-2018-11025

This CVE entry highlights a specific vulnerability in the kernel component of a particular Amazon Kindle device.

What is CVE-2018-11025?

The vulnerability allows attackers to inject a carefully crafted argument through the argument of an ioctl on the device /dev/twl6030-gpadc with the command 24832, resulting in a kernel crash.

The Impact of CVE-2018-11025

The exploitation of this vulnerability can lead to a kernel crash, potentially disrupting the device's normal operation and causing denial of service.

Technical Details of CVE-2018-11025

This section delves into the technical aspects of the CVE entry.

Vulnerability Description

The vulnerability exists in the kernel/omap/drivers/mfd/twl6030-gpadc.c component of Amazon Kindle Fire HD(3rd) Fire OS 4.5.5.3, allowing attackers to perform an injection of a carefully crafted argument through an ioctl command.

Affected Systems and Versions

Amazon Kindle Fire HD(3rd) Fire OS 4.5.5.3

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting a crafted argument via the ioctl command on the specific device, leading to a kernel crash.

Mitigation and Prevention

Protecting systems from CVE-2018-11025 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply relevant security patches provided by the vendor.
Monitor for any unusual system behavior that might indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent known vulnerabilities.
Implement proper access controls and restrictions to limit potential attack surfaces.

Patching and Updates

Ensure that the affected systems are updated with the latest patches and security updates to mitigate the risk of exploitation.