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Ubuntu 22.04 LTS USN-6595-2 critical: pycryptodome information leak

ubuntu
Calendar Grey January 23, 2024
Dist Ubuntu Esm H88
Enhance your Ubuntu 22.04 LTS to rectify the PyCryptodome security flaw that threatens to reveal confidential information.
PyCryptodome could be made to expose sensitive information.

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.

Topics%20covered

Topics Covered

security advisory security issue Ubuntu information exposure urgent advisory cryptographic library

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6595-1

Topics%20covered

Topics Covered

security advisory security issue Ubuntu information exposure urgent advisory cryptographic library

Package Information

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

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