A vulnerability, which was classified as critical, was found in Google Android (Smartphone Operating System) (unknown version). This affects an unknown code block of the component MDSS Rotator. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Due to a race condition in MDSS rotator in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-10-20, a double free vulnerability may potentially exist when two threads free the same perf structures.

The bug was discovered 02/05/2018. The weakness was shared 03/30/2018 (Website). It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2017-15826 since 10/24/2017. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/24/2023). 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 53 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The entries VDB-110104, VDB-113150, VDB-113156 and VDB-113159 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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• Smartphone Operating System

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• Google

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• Android

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• free

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