The transmission-daemon in Transmission before 2.93 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.
The transmission-daemon in Transmission before 2.93 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.
http://www.openwall.com/lists/oss-security/2018/01/12/1 https://bugs.chromium.org/p/project-zero/issues/detail?id=1447 https://github.com/transmission/transmission/commit/eb5d1a79cbe1b9bc5b22fdcc598694ecd4d02f43 https://github.com/transmission/transmission/pull/468
Vulmon