Google Android Linux Kernel memcpy memory corruption

Summaryinfo

A vulnerability was found in Google Android and classified as critical. This affects the function memcpy of the component Linux Kernel. The manipulation results in memory corruption. This vulnerability is known as CVE-2018-11265. Attacking locally is a requirement. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version is unknown). It has been classified as critical. Affected is the function memcpy of the component Linux Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, possible buffer overflow while incrementing the log_buf of type uint64_t in memcpy function, since the log_buf pointer can access the memory beyond the size to store the data after pointer increment.

The bug was discovered 09/04/2018. The weakness was published 09/18/2018 (Website). The advisory is available at source.android.com. This vulnerability is traded as CVE-2018-11265 since 05/18/2018. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/16/2023). 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 14 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

Similar entries are available at VDB-124172, VDB-124175, VDB-124178 and VDB-124180. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

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• 🔍

CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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