Google Android FileUtils.java computeValuesFromData path traversal

Summaryinfo

A vulnerability labeled as critical has been found in Google Android. Affected by this issue is the function computeValuesFromData of the file FileUtils.java. Such manipulation leads to path traversal. This vulnerability is listed as CVE-2023-35670. The attack must be carried out locally. There is no available exploit. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Android (Smartphone Operating System) (the affected version unknown). Affected by this issue is the function computeValuesFromData of the file FileUtils.java. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In computeValuesFromData of FileUtils.java, there is a possible way to insert files to other apps' external private directories due to a path traversal error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

The weakness was presented 09/12/2023. The advisory is available at android.googlesource.com. This vulnerability is handled as CVE-2023-35670 since 06/15/2023. 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 10/10/2023). It is expected to see the exploit prices for this product increasing in the near future.This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Applying a patch is able to eliminate this problem.

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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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