Bug 1231173

Summary:	python-jwt: token verification bypass with "none" algorithm
Product:	[Other] Security Response	Reporter:	Vasyl Kaigorodov <vkaigoro>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jrusnack, rbean
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	python-jwt 1.0.0	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-06-30 15:07:30 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1231174
Bug Blocks:

Description Vasyl Kaigorodov 2015-06-12 10:35:13 UTC

Below issue was reported:
 If the secretKey was expected to be a RSA public key, but the attacker changed the header to indicate a signature algorithm of HMAC, the RSA public key would be used as the signing secret.

Upstream fix: https://github.com/davedoesdev/python-jwt/commit/5ddb71b2ed5785c329b761e45a246996a1dd9cab
CVE request: http://seclists.org/oss-sec/2015/q2/3

Comment 1 Vasyl Kaigorodov 2015-06-12 10:35:28 UTC

Created python-jwt tracking bugs for this issue:

Affects: fedora-all [bug 1231174]

Comment 2 Fedora Update System 2015-06-30 00:08:19 UTC

python-jwt-1.3.0-1.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2015-06-30 00:13:20 UTC

python-jwt-1.3.0-1.fc22 has been pushed to the Fedora 22 stable repository.  If problems still persist, please make note of it in this bug report.