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RedhatCVE-2020-25659

HistoryJan 11, 2021 - 4:15 p.m.

CVE-2020-25659

2021-01-1116:15:15

CWE-385

redhat

web.nvd.nist.gov

395

cve-2020-25659

python-cryptography

vulnerability

bleichenbacher timing attacks

rsa decryption

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

44.7%

JSON

python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.

Affected configurations

Nvd

Vulners

Node

cryptography.iocryptographyMatch3.2python

Node

oraclecommunications_cloud_native_core_network_function_cloud_native_environmentMatch1.10.0

VendorProductVersionCPE
cryptography.iocryptography3.2cpe:2.3:a:cryptography.io:cryptography:3.2:*:*:*:*:python:*:*
oraclecommunications_cloud_native_core_network_function_cloud_native_environment1.10.0cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cryptography.io	cryptography	3.2	cpe:2.3:a:cryptography.io:cryptography:3.2:::::python::
oracle	communications_cloud_native_core_network_function_cloud_native_environment	1.10.0	cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:::::::*

CNA Affected

[
  {
    "product": "python-cryptography",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "python-cryptography 3.2"
      }
    ]
  }
]