Original Writeup on seall.dev

We are supplied a photo.jpg.

We can run exiftool on this picture to extract out any EXIF data.

$ exiftool photo.jpg
ExifTool Version Number         : 12.70
File Name                       : photo.jpg
Directory                       : /home/n/Downloads
File Size                       : 1836 kB
File Modification Date/Time     : 2024:09:12 23:07:47+10:00
File Access Date/Time           : 2024:09:12 23:07:47+10:00
File Inode Change Date/Time     : 2024:09:12 23:07:49+10:00
File Permissions                : -rw-r--r--
File Type                       : JPEG
File Type Extension             : jpg
MIME Type                       : image/jpeg
Exif Byte Order                 : Little-endian (Intel, II)
Make                            : Google
Camera Model Name               : Pixel 6
Orientation                     : Horizontal (normal)
...
GPS Date/Time                   : 2024:08:28 06:01:53Z
GPS Latitude                    : 31 deg 25' 44.58" S
GPS Longitude                   : 152 deg 54' 30.37" E
...
GPS Position                    : 31 deg 25' 44.58" S, 152 deg 54' 30.37" E
...

Reading the headers, the GPS headers are storing the position of the photo being taken.

This can be converted to a Google Maps URL, which showcases its Port Macquarie.

Flag: SECEDU{Port_Macquarie}