Editing Avcontent.db. Arbitrary Delete.

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== Introduction ==
== Introduction ==
This is a disclosure of an vulnerability "Li" discovered back in 2019.
This is a disclosure of an vulnerability Li / SilicaAndPina discovered back in 2019.


The PlayStation Vita has a few apps for displaying various media formats.
The PlayStation Vita has a few apps for displaying various media formats.
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== Arbitrary Delete ==  
== Arbitrary Delete ==  
using this you can delete any file from any *writable* partition on the PSVita.  
using this trick you can delete any file from any *writable* partition on the PSVita.  


By editing the tbl_VPContent inside avcontent.db you can change the "content_path" and "content_path_extension" columns to be whatever path you want to delete. . .  
By editing the tbl_VPContent inside avcontent.db you can change the "content_path" and "content_path_extension" columns  
     
of any media contents to be whatever path you want to delete. . .  


if you then delete it inside the corresponding media app, it will not only delete the entry from the database,  
if you then delete it inside the corresponding media app, it will not only delete the entry from the database,  
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