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USN-5351-2: Paramiko vulnerability

29 March 2022

Paramiko would allow unintended access to private key files.




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

In general, a standard system update will make all the necessary changes.


Related notices

  • USN-5351-1: paramiko, python3-paramiko, python-paramiko, paramiko-doc