USN-5327-1: rsh vulnerability
15 March 2022
rsh would allow unintended modification of target directory permissions.
Releases
Packages
- netkit-rsh - client programs for remote shell connections
Details
Hiroyuki Yamamori discovered that rsh incorrectly handled certain
filenames. If a user or automated system were tricked into connecting to a
malicious rsh server, a remote attacker could possibly use this issue to
modify directory permissions.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
In general, a standard system update will make all the necessary changes.