Google Android prior 2016-07-05 on Nexus 5/Nexus 7 2013 Qualcomm debugfs.c access control

Summaryinfo

A vulnerability marked as problematic has been reported in Google Android on Nexus 5/Nexus 7 2013. This impacts an unknown function of the file drivers/mmc/core/debugfs.c of the component Qualcomm. Performing a manipulation results in access control. This vulnerability is identified as CVE-2014-9790. The attack is only possible with local access. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Google Android on Nexus 5/Nexus 7 2013 (Smartphone Operating System). This affects an unknown code of the file drivers/mmc/core/debugfs.c of the component Qualcomm. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

drivers/mmc/core/debugfs.c in the Qualcomm components in Android before 2016-07-05 on Nexus 5 and 7 (2013) devices does not validate pointers used in read and write operations, which allows attackers to gain privileges via a crafted application, aka Android internal bug 28769136 and Qualcomm internal bug CR545716.

The weakness was released 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. This vulnerability is uniquely identified as CVE-2014-9790 since 05/31/2016. The exploitability is told to be easy. Attacking locally is a requirement. A authentication is needed for exploitation. 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.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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†). Entries connected to this vulnerability are available at VDB-88897, VDB-88898, VDB-88899 and VDB-88900. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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

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