HIGH 7.5

GHSA-3ww4-gg4f-jr7f

Python Cryptography package vulnerable to Bleichenbacher timing oracle attack

Details

A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

Are you affected?

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Affected packages

PyPI / cryptography

Introduced in: 0 Fixed in: 42.0.0

Fix pip install --upgrade 'cryptography>=42.0.0'

References

https://nvd.nist.gov/vuln/detail/CVE-2023-50782 [ADVISORY]
https://github.com/pyca/cryptography/issues/9785 [WEB]
https://access.redhat.com/security/cve/CVE-2023-50782 [WEB]
https://bugzilla.redhat.com/show_bug.cgi?id=2254432 [WEB]
https://github.com/pyca/cryptography [PACKAGE]
https://www.couchbase.com/alerts [WEB]