[USN-5351-2] Paramiko vulnerability


========================================================================== Ubuntu Security Notice USN-5351-2 March 30, 2022
paramiko vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 ESM
Summary:
Paramiko would allow unintended access to private key files.
Software Description: – 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 ESM: paramiko-doc 1.16.0-1ubuntu0.2+esm2 python-paramiko 1.16.0-1ubuntu0.2+esm2 python3-paramiko 1.16.0-1ubuntu0.2+esm2
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5351-2 ubuntu.com/security/notices/USN-5351-1 CVE-2022-24302