RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences.
{ "binaries": [ { "binary_name": "libruby1.9.1", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "libruby1.9.1-dbg", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "libruby1.9.1-dbgsym", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "libtcltk-ruby1.9.1", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "libtcltk-ruby1.9.1-dbgsym", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "ri1.9.1", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "ruby1.9.1", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "ruby1.9.1-dbgsym", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "ruby1.9.1-dev", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "ruby1.9.1-dev-dbgsym", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "ruby1.9.1-examples", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "ruby1.9.1-full", "binary_version": "1.9.3.484-2ubuntu1.5" }, { "binary_name": "ruby1.9.3", "binary_version": "1.9.3.484-2ubuntu1.5" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "libruby2.3", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "libruby2.3-dbg", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "libruby2.3-dbgsym", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "ruby2.3", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "ruby2.3-dbgsym", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "ruby2.3-dev", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "ruby2.3-dev-dbgsym", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "ruby2.3-doc", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "ruby2.3-tcltk", "binary_version": "2.3.1-2~16.04.6" }, { "binary_name": "ruby2.3-tcltk-dbgsym", "binary_version": "2.3.1-2~16.04.6" } ], "availability": "No subscription required" }