Google Android on Qualcomm QTEE Syscall memory corruption

Summaryinfo

A vulnerability has been found in Google Android on Qualcomm and classified as critical. The affected element is an unknown function of the component QTEE Syscall Handler. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2015-9195. The attack can be initiated remotely. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Google Android on Qualcomm (Smartphone Operating System) (the affected version unknown). It has been rated as critical. This issue affects an unknown part of the component QTEE Syscall Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9625, MDM9635M, MDM9650, MDM9655, SD 400, SD 410/12, SD 615/16/SD 415, SD 617, SD 650/52, SD 808, SD 810, and SDX20, in a QTEE syscall handler, HLOS can cause a buffer overflow to occur.

The bug was discovered 04/05/2018. The weakness was released 04/18/2018 (Website). The advisory is shared at source.android.com. The identification of this vulnerability is CVE-2015-9195 since 08/16/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/26/2020). It is expected to see the exploit prices for this product increasing in the near future.

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 $25k-$100k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103671†). Entries connected to this vulnerability are available at VDB-83180, VDB-105483, VDB-105484 and VDB-105488. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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