The extlib gem 0.9.15 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "0.9.15-3", "binary_name": "libextlib-ruby" }, { "binary_version": "0.9.15-3", "binary_name": "libextlib-ruby-doc" }, { "binary_version": "0.9.15-3", "binary_name": "libextlib-ruby1.8" }, { "binary_version": "0.9.15-3", "binary_name": "libextlib-ruby1.9.1" }, { "binary_version": "0.9.15-3", "binary_name": "ruby-extlib" } ] }