Nullsoft Scriptable Install System (NSIS) before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows a local attack in which either a plugin or the uninstaller can be replaced by a Trojan horse program.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.46-7ubuntu0.1~esm1", "binary_name": "nsis" }, { "binary_version": "2.46-7ubuntu0.1~esm1", "binary_name": "nsis-common" }, { "binary_version": "2.46-7ubuntu0.1~esm1", "binary_name": "nsis-dbgsym" }, { "binary_version": "2.46-7ubuntu0.1~esm1", "binary_name": "nsis-doc" }, { "binary_version": "2.46-7ubuntu0.1~esm1", "binary_name": "nsis-pluginapi" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.50-1", "binary_name": "nsis" }, { "binary_version": "2.50-1", "binary_name": "nsis-common" }, { "binary_version": "2.50-1", "binary_name": "nsis-dbgsym" }, { "binary_version": "2.50-1", "binary_name": "nsis-doc" }, { "binary_version": "2.50-1", "binary_name": "nsis-pluginapi" } ] }