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June 6, 2015 04:00 am

2014 Underhanded C Contest Winners Announced

Rei writes with a bit of news from earlier this week: It's that time of year again — the results of the 2014 Underhanded C Contest have been announced. Techniques used for secretly alerting a user to a NSA request include (among others) misleadingly long loop execution, replacing user #defines with system ones, K&R style function declarations to avoid type checking, and using system #includes to covertly change structure packing. The winning entry exploits a system-provided function that is implemented as a poorly protected macro, tricking it into executing a piece of code given as an argument multiple times.

Read more of this story at Slashdot.


Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/M35xtfL54gg/2014-underhanded-c-contest-winners-announced

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