HIGH8.8
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.
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:PCVSS 3.xHIGH 8.8
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HReferences
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1447
- https://github.com/transmission/transmission/pull/468
- https://lists.debian.org/debian-lts-announce/2018/01/msg00020.html
- https://security.gentoo.org/glsa/201806-07
- https://twitter.com/taviso/status/951526615145566208
- https://www.debian.org/security/2018/dsa-4087
- https://www.exploit-db.com/exploits/43665/
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1447
- https://github.com/transmission/transmission/pull/468
- https://lists.debian.org/debian-lts-announce/2018/01/msg00020.html
- https://security.gentoo.org/glsa/201806-07
- https://twitter.com/taviso/status/951526615145566208
- https://www.debian.org/security/2018/dsa-4087
- https://www.exploit-db.com/exploits/43665/