Huawei LYO-L21 LYO-L21C479B107/LYO-L21C479B107 access control

Summaryinfo

A vulnerability marked as problematic has been reported in Huawei LYO-L21 LYO-L21C479B107/LYO-L21C479B107. The affected element is an unknown function. The manipulation leads to access control. This vulnerability is listed as CVE-2017-17172. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Huawei LYO-L21 LYO-L21C479B107/LYO-L21C479B107 and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Huawei smart phones LYO-L21 with software LYO-L21C479B107, LYO-L21C479B107 have a privilege escalation vulnerability. An authenticated, local attacker can crafts malformed packets after tricking a user to install a malicious application and exploit this vulnerability when in the exception handling process. Successful exploitation may cause the attacker to obtain a higher privilege of the smart phones.

The bug was discovered 06/13/2018. The weakness was presented 06/14/2018 (Website). It is possible to read the advisory at huawei.com. The identification of this vulnerability is CVE-2017-17172 since 12/04/2017. 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 pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/27/2023). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Huawei

Name

• LYO-L21

Version

• LYO-L21C479B107

License

• commercial

Website

• Vendor: https://www.huawei.com/

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