A vulnerability was found in Huawei HiGame and SkyTone (version unknown) and classified as problematic. This issue affects an unknown function of the component App Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

HiGame with software earlier than 7.3.0 versions, SkyTone with software earlier than 8.1.1 versions have a DoS Vulnerability. An attacker tricks a user into installing a malicious application on the smart phone, the attacker can send malformed packets to the device. Due to the lack of adequate input validation of APPs, which causes the APPs Denial of Service.

The bug was discovered 09/13/2017. The weakness was presented 11/22/2017 (Website). It is possible to read the advisory at huawei.com. The identification of this vulnerability is CVE-2017-2709 since 12/01/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 70 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

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Vendor

• Huawei

Name

• HiGame
• SkyTone

License

• commercial

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CPE 2.2info

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