|Description||active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before 3.0.19, 3.1.x before 3.1.10, and 3.2.x before 3.2.11 does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion.|
|Source||CVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)|
|NVD severity||high (attack range: remote)|
|Debian Bugs||697722, 697789, 697790|
Vulnerable and fixed packages
The table below lists information on source packages.
The information below is based on the following data on fixed versions.
Starting with 18.104.22.168 rails is a transition package
experimental has 3.2.8-1 and should be affected too