Security Advisory
CVE-2015-5673
CVE vulnerability detail - eXtreme Datacenter Security Operations
Description
eventapp/lib/gcloud.rb in the ISUCON5 qualifier portal (aka eventapp) web application before 2015-10-30 makes improper popen calls, which allows remote attackers to execute arbitrary commands via an HTTP request that includes shell metacharacters in an argument to a "gcloud compute" command.