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Ubuntu 16.04: USN-6673-2 Critical: python-cryptography Network Risk

ubuntu
Calendar Grey March 14, 2024
Dist Ubuntu Esm H88
Stay informed on Python-Cryptography's critical exposure risks on Ubuntu 16.04 and necessary updates for security.
python-cryptography could be made to expose sensitive information over the network.

Summary

python-cryptography could be made to expose sensitive information over the

network.

Software Description:

- python-cryptography: Cryptography Python library

Details:

USN-6673-1 provided a security update for python-cryptography.

This update provides the corresponding update for Ubuntu 16.04 LTS.

Original advisory details:

 Hubert Kario discovered that python-cryptography incorrectly handled

 errors returned by the OpenSSL API when processing incorrect padding in

 RSA PKCS#1 v1.5. A remote attacker could possibly use this issue to expose

 confidential or sensitive information. (CVE-2023-50782)

Topics%20covered

Topics Covered

security advisory critical ubuntu sensitive data network exposure python-cryptography

Update Instructions

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

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   python-cryptography             1.2.3-1ubuntu0.3+esm1
   python3-cryptography            1.2.3-1ubuntu0.3+esm1

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

References

  https://ubuntu.com/security/notices/USN-6673-2

  https://ubuntu.com/security/notices/USN-6673-1

  CVE-2023-50782

Severity
critical
Lowest
Low
Medium
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Critical

Ubuntu Security Notice USN-6673-2

Topics%20covered

Topics Covered

security advisory critical ubuntu sensitive data network exposure python-cryptography

Package Information

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