pyca/cryptography · Security
Python Cryptography package vulnerable to Bleichenbacher timing oracle attack
- GHSA ID
- GHSA-3ww4-gg4f-jr7f
- CVE ID
- CVE-2023-50782
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS v4
- 8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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.
CWEs
- CWE-203 · Observable Discrepancy
- CWE-208 · Observable Timing Discrepancy
- CWE-385 · Covert Timing Channel