Google Android ADB/debug-fs access control

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android. This vulnerability affects unknown code of the component ADB/debug-fs. The manipulation leads to access control. This vulnerability is listed as CVE-2018-11906. The attack must be carried out locally. There is no available exploit. 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 ADB/debug-fs. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is 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, there is a security concern with default privileged access to ADB and debug-fs.

The bug was discovered 11/05/2018. The weakness was presented 11/27/2018 (Website). It is possible to read the advisory at source.codeaurora.org. The identification of this vulnerability is CVE-2018-11906 since 06/07/2018. The exploitation is known to be easy. Attacking locally is a requirement. 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 06/11/2023). 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.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

See VDB-127167, VDB-127166, VDB-127165 and VDB-127164 for similar entries. 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

Website

• Vendor: https://www.google.com/

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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