Transmission through 2.92 relies on X-Transmission-Session-Id (which is not a forbidden header for Fetch) for access control, which allows remote attackers to execute arbitrary RPC commands, and consequently write to arbitrary files, via POST requests to /transmission/rpc in conjunction with a DNS rebinding attack.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-cli" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-cli-dbgsym" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-common" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-daemon" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-daemon-dbgsym" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-dbg" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-gtk" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-gtk-dbgsym" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-qt" }, { "binary_version": "2.82-1.1ubuntu3.2", "binary_name": "transmission-qt-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-cli" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-cli-dbgsym" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-common" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-daemon" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-daemon-dbgsym" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-dbg" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-gtk" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-gtk-dbgsym" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-qt" }, { "binary_version": "2.84-3ubuntu3.1", "binary_name": "transmission-qt-dbgsym" } ] }