CVE-2020-25659

2020-10-2800:00:00

ubuntu.com

5.9 Medium

CVSS3

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

43.9%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchpython-cryptography< 2.1.4-1ubuntu1.4UNKNOWN
ubuntu20.04noarchpython-cryptography< 2.8-3ubuntu0.1UNKNOWN
ubuntu20.10noarchpython-cryptography< 3.0-1ubuntu0.1UNKNOWN
ubuntu16.04noarchpython-cryptography< 1.2.3-1ubuntu0.3UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	python-cryptography	< 2.1.4-1ubuntu1.4	UNKNOWN
ubuntu	20.04	noarch	python-cryptography	< 2.8-3ubuntu0.1	UNKNOWN
ubuntu	20.10	noarch	python-cryptography	< 3.0-1ubuntu0.1	UNKNOWN
ubuntu	16.04	noarch	python-cryptography	< 1.2.3-1ubuntu0.3	UNKNOWN