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cynic
Jan 19, 2004



Maybe not on speed cameras, but there are plenty of automatic number plate recognition systems around for things like congestion charges, tax disc checks, private carparks etc, and a quick read does indicate that these are often uploaded to web services at some point - they may also be running embedded databases for upload in batches, and often connected to other systems, such as automated billing systems. But you're relying on several things namely;

None of the code has checks on length.
None of the code has checks on valid characters (for instance you'd imagine that ' would get discarded by license plate recognition systems as being "probably a dead bee instead of a valid character").
None of the code escapes characters correctly.
There are no human checks in place before entry to the database.

It's not impossible, but I'd be very surprised if there were any systems you could compromise in that way.

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