Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android. Affected by this issue is some unknown functionality of the component TrustZone. The manipulation as part of Variable leads to memory corruption. This vulnerability is documented as CVE-2014-9979. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Android (Smartphone Operating System) (affected version unknown). This issue affects an unknown functionality of the component TrustZone. The manipulation as part of a Variable 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 all Qualcomm products with Android releases from CAF using the Linux kernel, a variable is uninitialized in a TrustZone system call potentially leading to the compromise of secure memory.

The bug was discovered 07/01/2017. The weakness was released 08/18/2017 (Website). It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2014-9979 since 05/30/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 11/08/2019). 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 48 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 99467†). Entries connected to this vulnerability are available at VDB-101214, VDB-103224, VDB-103225 and VDB-103226. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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