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.
{
"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-common"
},
{
"binary_version": "2.82-1.1ubuntu3.2",
"binary_name": "transmission-daemon"
},
{
"binary_version": "2.82-1.1ubuntu3.2",
"binary_name": "transmission-gtk"
},
{
"binary_version": "2.82-1.1ubuntu3.2",
"binary_name": "transmission-qt"
}
],
"availability": "No subscription required"
}
{
"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-common"
},
{
"binary_version": "2.84-3ubuntu3.1",
"binary_name": "transmission-daemon"
},
{
"binary_version": "2.84-3ubuntu3.1",
"binary_name": "transmission-gtk"
},
{
"binary_version": "2.84-3ubuntu3.1",
"binary_name": "transmission-qt"
}
],
"availability": "No subscription required"
}