The RESTful control interface (aka RAPI or ganeti-rapi) in Ganeti before 2.9.7, 2.10.x before 2.10.8, 2.11.x before 2.11.8, 2.12.x before 2.12.6, 2.13.x before 2.13.3, 2.14.x before 2.14.2, and 2.15.x before 2.15.2 allows remote attackers to obtain the DRBD secret via instance information job results.
docs.ganeti.org/ganeti/2.10/html/news.html#version-2-10-8
docs.ganeti.org/ganeti/2.11/html/news.html#version-2-11-8
docs.ganeti.org/ganeti/2.12/html/news.html#version-2-12.6
docs.ganeti.org/ganeti/2.13/html/news.html#version-2-13-3
docs.ganeti.org/ganeti/2.14/html/news.html#version-2-14-2
docs.ganeti.org/ganeti/2.15/html/news.html#version-2-15-2
docs.ganeti.org/ganeti/2.9/html/news.html#version-2-9-7
packetstormsecurity.com/files/135101/Ganeti-Leaked-Secret-Denial-Of-Service.html
www.debian.org/security/2016/dsa-3431
www.ocert.org/advisories/ocert-2015-012.html
www.exploit-db.com/exploits/39169/