1. Ubuntu Security Notices
  2. USN-5351-2

USN-5351-2: Paramiko vulnerability

Publication date

29 March 2022

Overview

Paramiko would allow unintended access to private key files.

Releases

Packages

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.

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

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

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.04 xenial python3-paramiko –  1.16.0-1ubuntu0.2+esm2  
paramiko-doc –  1.16.0-1ubuntu0.2+esm2  
python-paramiko –  1.16.0-1ubuntu0.2+esm2  

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References

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