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Analysis of errors in exif metadata on mobile devices

Sandoval Orozco, A.L., Arenas Gonzalez, David Manuel, Garcia Villalba, L.J., Hernandez-Castro, Julio C. (2014) Analysis of errors in exif metadata on mobile devices. Multimedia Tools and Applications, 74 (13). pp. 4735-4763. ISSN 1380-7501. (doi:10.1007/s11042-013-1837-6) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:58385)

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Nowadays the number of cameras integrated on mobile phones is growing very

fast, making it essential to design new specific forensic analysis techniques aimed towards

the pictures created with these devices. Most of these phones automatically add relevant

Exif metadata in the process of image acquisition. This metadata, even if it is vulnerable to

tampering, can be very helpful for a variety of forensic analysis techniques. That is why the

existence of efficient, robust and specialised tools is a necessity. These should allow metadata

to be extracted in a consistent, fast and sound way. Besides, metadata extraction must

never manipulate the image and it needs to take into account possible departures from the

Exif specification, including the insertion of the metadata in the image acquisition process

by the makers, as well as any modification, whether malicious or not. This paper will show

the multiple anomalies in the Exif specification we have found during our study, which can

produce serious problems in classical tools for the extraction of image metadata, including

crashes and wrong results, and even interoperability problems among different devices.

We will also show some anomalies found in the operation of different well-known forensic


Item Type: Article
DOI/Identification number: 10.1007/s11042-013-1837-6
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 75 Electronic computers. Computer science
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Computing
Depositing User: Julio Hernandez Castro
Date Deposited: 03 Nov 2016 16:55 UTC
Last Modified: 17 Aug 2022 11:01 UTC
Resource URI: (The current URI for this page, for reference purposes)

University of Kent Author Information

Hernandez-Castro, Julio C..

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