os_unix.c in SQLite before 3.13.0 improperly implements the temporary directory search algorithm, which might allow local users to obtain sensitive information, cause a denial of service (application crash), or have unspecified other impact by leveraging use of the current working directory for temporary files.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.