PyJWT vulnerability

2017-08-3000:00:00

ubuntu.com

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.3%

JSON

Releases

Ubuntu 17.04
Ubuntu 16.04 ESM

Packages

pyjwt - Python implementation of JSON Web Token

Details

It was discovered that a vulnerability in PyJWT doesn’t check
invalid_strings properly for some public keys. A remote attacker
could take advantage of a key confusion to craft JWTs from scratch.

OSVersionArchitecturePackageVersionFilename
Ubuntu17.04noarchpython-jwt< 1.4.2-1ubuntu0.1UNKNOWN
Ubuntu17.04noarchpython3-jwt< 1.4.2-1ubuntu0.1UNKNOWN
Ubuntu16.04noarchpython-jwt< 1.3.0-1ubuntu0.1UNKNOWN
Ubuntu16.04noarchpython3-jwt< 1.3.0-1ubuntu0.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	17.04	noarch	python-jwt	< 1.4.2-1ubuntu0.1	UNKNOWN
Ubuntu	17.04	noarch	python3-jwt	< 1.4.2-1ubuntu0.1	UNKNOWN
Ubuntu	16.04	noarch	python-jwt	< 1.3.0-1ubuntu0.1	UNKNOWN
Ubuntu	16.04	noarch	python3-jwt	< 1.3.0-1ubuntu0.1	UNKNOWN