Google Android prior 2016-07-05 on Nexus 5/Nexus 7 2013 msm_actuator.c memory corruption

Summaryinfo

A vulnerability was found in Google Android on Nexus 5/Nexus 7 2013. It has been rated as problematic. Impacted is an unknown function of the file drivers/media/platform/msm/camera_v2/sensor/actuator/msm_actuator.c. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2014-9786. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Google Android on Nexus 5/Nexus 7 2013 (Smartphone Operating System) and classified as critical. This issue affects an unknown function of the file drivers/media/platform/msm/camera_v2/sensor/actuator/msm_actuator.c. 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:

Heap-based buffer overflow in drivers/media/platform/msm/camera_v2/sensor/actuator/msm_actuator.c in the Qualcomm components in Android before 2016-07-05 on Nexus 5 and 7 (2013) devices allows attackers to gain privileges via a crafted application, aka Android internal bug 28557260 and Qualcomm internal bug CR545979.

The weakness was disclosed 07/06/2016 as Android Security Bulletin - July 2016 as confirmed security bulletin (Website). It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2014-9786 since 05/31/2016. The exploitation is known to be easy. Attacking locally is a requirement. The successful exploitation requires a simple authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/01/2022). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 2016-07-05 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91628†). The entries VDB-88897, VDB-88898, VDB-88899 and VDB-88900 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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