Summaryinfo

A vulnerability classified as critical was found in Google Android. This vulnerability affects unknown code of the component MPDU Data Length Handler. The manipulation leads to integer overflow. This vulnerability was named CVE-2018-11886. An attack has to be approached locally. There is no exploit available. It is recommended to apply a patch to fix this issue. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability classified as critical has been found in Google Android (Smartphone Operating System) (affected version not known). This affects some unknown functionality of the component MPDU Data Length Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, lack of check while calculating the MPDU data length will cause an integer overflow and then to buffer overflow in WLAN function.

The bug was discovered 09/04/2018. The weakness was published 09/19/2018 (Website). The advisory is shared at source.codeaurora.org. This vulnerability is uniquely identified as CVE-2018-11886 since 06/07/2018. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/17/2023). 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 15 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-124249, VDB-124248, VDB-124247 and VDB-124246. 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

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• 🔍

CPE 2.2info

• 🔍
• 🔍

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