Munin before 2.999.6 has a local file write vulnerability when CGI graphs are enabled. Setting multiple upper_limit GET parameters allows overwriting any file accessible to the www-data user.Referenceshttp://www.securityfocus.com/bid/96399https://bugs.debian.org/855705https://www.debian.org/security/2017/dsa-3794https://security.gentoo.org/glsa/201710-05https://github.com/munin-monitoring/munin/issues/721