CVE-2015-5673 Information

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.

Reference

http://jvn.jp/en/jp/JVN04281281/index.html http://jvndb.jvn.jp/jvndb/JVNDB-2015-000175 https://github.com/isucon/isucon5-qualify/commit/150e3e6d851acb31a0b15ce93380a7dab14203fa https://github.com/isucon/isucon5-qualify/pull/5