8.2 Crash Analysis and Exploitation

After the fuzzer had finished processing the test cases, I searched the access logfile of the web server for “BUG_FOUND” entries.

linux$ grep BUG /var/log/apache2/access.log
192.168.99.103 .. "GET /BUG_FOUND_file40.m4a
 HTTP/1.1" 404 277 "-" "Mozilla/5.0 (iPhone; U; CPU iPhone OS 2_2_1 like Mac OS X;
 en-us) AppleWebKit/525.18.1 (KHTML, like Gecko) Version/3.1.1
 Mobile/5H11 Safari/525.20"
192.168.99.103 .. "GET /BUG_FOUND_file41.m4a HTTP/1.1"
 404 276 "-" "Mozilla/5.0 (iPhone; U; CPU iPhone OS 2_2_1 like Mac OS X; en-us)
 AppleWebKit/525.18.1 (KHTML, like Gecko) Version/3.1.1 Mobile/5H11 Safari/525.20"
192.168.99.103 .. "GET /BUG_FOUND_file42.m4a HTTP/1.1" 404 277 "-" "Mozilla/5.0 (iPhone; U; CPU iPhone OS 2_2_1 ...

Get A Bug Hunter's Diary now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial