Amazon Kindle Fire HD 4.5.5.3 on Fire OS Kernel gcif.c Argument argument injection

Summaryinfo

A vulnerability was found in Amazon Kindle Fire HD 4.5.5.3 on Fire OS. It has been rated as problematic. This issue affects some unknown processing of the file kernel/omap/drivers/misc/gcx/gcioctl/gcif.c of the component Kernel. Performing a manipulation as part of Argument results in argument injection. This vulnerability is cataloged as CVE-2018-11019. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Amazon Kindle Fire HD 4.5.5.3 on Fire OS (Tablet Operating System). It has been classified as problematic. This affects an unknown function of the file kernel/omap/drivers/misc/gcx/gcioctl/gcif.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/misc/gcx/gcioctl/gcif.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/gcioctl with the command 3221773726 and cause a kernel crash.

The bug was discovered 10/10/2018. The weakness was shared 10/16/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-11019 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 are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 6 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.

The entries VDB-125353, VDB-125352, VDB-125351 and VDB-125350 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Tablet Operating System

Vendor

• Amazon

Name

• Kindle Fire HD

Version

• 4.5.5.3

License

• commercial

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• 🔍

CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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