[USN-6595-1] PyCryptodome vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-6595-1
January 23, 2024

pycryptodome vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS

Summary:

PyCryptodome could be made to expose sensitive information.

Software Description:
- pycryptodome: Cryptographic Python library

Details:

It was discovered that PyCryptodome had a timing side-channel when
performing OAEP decryption. A remote attacker could possibly use this issue
to recover sensitive information.

Update instructions:

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

Ubuntu 22.04 LTS:
   python3-pycryptodome            3.11.0+dfsg1-3ubuntu0.1

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

References:
   https://ubuntu.com/security/notices/USN-6595-1
   CVE-2023-52323

Package Information:
   https://launchpad.net/ubuntu/+source/pycryptodome/3.11.0+dfsg1-3ubuntu0.1

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