Skip to content

Python Cryptography package vulnerable to Bleichenbacher timing oracle attack

High severity GitHub Reviewed Published Feb 5, 2024 to the GitHub Advisory Database • Updated Feb 14, 2024

Package

pip cryptography (pip)

Affected versions

< 42.0.0

Patched versions

42.0.0

Description

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.

References

Published by the National Vulnerability Database Feb 5, 2024
Published to the GitHub Advisory Database Feb 5, 2024
Reviewed Feb 5, 2024
Last updated Feb 14, 2024

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses

CVE ID

CVE-2023-50782

GHSA ID

GHSA-3ww4-gg4f-jr7f

Source code

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.