Stack-based buffer overflow in 2BrightSparks SyncBack Freeware 3.2.20.0, and possibly other versions before 3.2.21, allows user-assisted remote attackers to execute arbitrary code via a long filename in a (1) .sps or (2) zip profile.
https://exchange.xforce.ibmcloud.com/vulnerabilities/58727
http://www.corelan.be:8800/wp-content/forum-file-uploads/lincoln/syncbackup.rb_.txt
http://www.2brightsparks.com/freeware/changes.html