$22k awarded to SBFT ‘23 fuzzing competitors winners


Google’s Open Supply Safety Workforce lately sponsored a fuzzing competitors as a part of ISCE’s Search-Based mostly and Fuzz Testing (SBFT) Workshop. Our objective was to encourage the event of recent fuzzing strategies, which may result in the invention of software program vulnerabilities and finally a safer open supply ecosystem. 

The rivals’ fuzzers had been judged on code protection and their capability to find bugs: 

Rivals had been evaluated utilizing FuzzBench, Google’s open supply platform for testing and evaluating fuzzers. The platform boasts a variety of actual world benchmarks and vulnerabilities, permitting researchers to check their fuzzers in an genuine surroundings. We hope the outcomes of the SBFT fuzzing competitors will result in extra environment friendly fuzzers and finally newly found vulnerabilities. 

Eight groups submitted fuzzers to the ultimate competitors and an extra 4 trade fuzzers (AFL++, libFuzzer, Honggfuzz, and AFL) had been included as controls to symbolize present observe. 

HasteFuzz, is a modification of the extensively used AFL++ fuzzer. HasteFuzz filters out doubtlessly duplicate inputs to extend effectivity, making it capable of cowl extra code within the 23-hour check window as a result of it’s not prone to be retracing its steps. AFL++ is already a robust fuzzer—it had one of the best code protection of the trade fuzzers examined on this competitors—and HasteFuzz’s filtering took it to the following stage.

PASTIS makes use of a number of fuzzing engines that may independently cowl completely different program areas, permitting PASTIS to seek out bugs rapidly. AFLrustrust rewrites AFL++ on prime of LibAFL, which is a library of options that means that you can customise present fuzzers. AFLrustrust successfully prunes redundant check instances, bettering its bug discovering effectivity. Each PASTIS and AFLrustrust discovered 8 out of 15 potential bugs, with every fuzzer lacking just one bug found by others. They each outperformed the trade fuzzers, which discovered 7 or fewer bugs beneath the identical constraints.

Further rivals, reminiscent of AFL+++ and AFLSmart++, additionally confirmed enhancements over the trade controls, a outcome we had hoped for with the competitors.

The innovation and enchancment proven by way of the SBFT fuzzing competitors is one instance of why we have now invested within the FuzzBench undertaking. Since its launch in 2020, FuzzBench has considerably contributed to high-quality fuzzing analysis, conducting over 900 experiments and mentioned in additional than 100 tutorial papers. FuzzBench was offered as a useful resource for the SBFT competitors, however additionally it is accessible to researchers day by day as a service. In case you are curious about testing your fuzzers on FuzzBench, please see our information to including your fuzzer.

FuzzBench is in lively growth. We’d welcome suggestions from any present or potential FuzzBench customers, your responses to this survey might help us plan the way forward for FuzzBench.

The Google Open Supply Safety Workforce want to thank the ISCE convention and the SBFT workshop for internet hosting the fuzzing competitors. We additionally wish to thank every participant for his or her exhausting work. Collectively, we proceed to push the boundaries of software program safety and create a safer, extra strong open supply ecosystem. 

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