Amazon Kindle Fire HD 4.5.5.3 on Fire OS Kernel twl6030-gpadc.c Argument argument injection

Summaryinfo

A vulnerability classified as problematic has been found in Amazon Kindle Fire HD 4.5.5.3 on Fire OS. Affected is an unknown function of the file kernel/omap/drivers/mfd/twl6030-gpadc.c of the component Kernel. Performing a manipulation as part of Argument results in argument injection. This vulnerability is known as CVE-2018-11025. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Amazon Kindle Fire HD 4.5.5.3 on Fire OS (Tablet Operating System). This affects some unknown processing of the file kernel/omap/drivers/mfd/twl6030-gpadc.c of the component Kernel. The manipulation as part of a Argument leads to a argument injection vulnerability. CWE is classifying the issue as CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. This is going to have an impact on availability. The summary by CVE is:

kernel/omap/drivers/mfd/twl6030-gpadc.c in the kernel component in Amazon Kindle Fire HD(3rd) Fire OS 4.5.5.3 allows attackers to inject a crafted argument via the argument of an ioctl on device /dev/twl6030-gpadc with the command 24832 and cause a kernel crash.

The bug was discovered 10/03/2018. The weakness was published 10/16/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-11025 since 05/13/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entry is available at VDB-125352. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Tablet Operating System

Vendor

• Amazon

Name

• Kindle Fire HD

Version

• 4.5.5.3

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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