fish (aka fish-shell) 1.16.0 before 2.1.1 does not properly check the credentials, which allows local users to gain privileges via the universal variable socket, related to /tmp/fishd.socket.user permissions.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Fish | Fishshell | 1.16.0 (including) | 1.16.0 (including) |
| Fish | Fishshell | 2.0.0 (including) | 2.0.0 (including) |
| Fish | Ubuntu | artful | * |
| Fish | Ubuntu | lucid | * |
| Fish | Ubuntu | precise | * |
| Fish | Ubuntu | quantal | * |
| Fish | Ubuntu | saucy | * |
| Fish | Ubuntu | trusty | * |
| Fish | Ubuntu | upstream | * |
| Fish | Ubuntu | utopic | * |
| Fish | Ubuntu | vivid | * |
| Fish | Ubuntu | wily | * |
| Fish | Ubuntu | yakkety | * |
| Fish | Ubuntu | zesty | * |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00059.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00071.html
- http://www.openwall.com/lists/oss-security/2014/04/28/4
- https://github.com/fish-shell/fish-shell/issues/1436
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00059.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00071.html
- http://www.openwall.com/lists/oss-security/2014/04/28/4
- https://github.com/fish-shell/fish-shell/issues/1436