USN-5351-2: Paramiko vulnerability
29 March 2022
Paramiko would allow unintended access to private key files.
Releases
Packages
- paramiko - Python SSH2 library
Details
USN-5351-1 fixed a vulnerability in Paramiko. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
Jan Schejbal discovered that Paramiko incorrectly handled permissions when
writing private key files. A local attacker could possibly use this issue
to gain access to private keys.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
-
python3-paramiko
-
1.16.0-1ubuntu0.2+esm2
Available with Ubuntu Pro
-
paramiko-doc
-
1.16.0-1ubuntu0.2+esm2
Available with Ubuntu Pro
-
python-paramiko
-
1.16.0-1ubuntu0.2+esm2
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.