Bug 1231173 - python-jwt: token verification bypass with "none" algorithm
Summary: python-jwt: token verification bypass with "none" algorithm
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1231174
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-06-12 10:35 UTC by Vasyl Kaigorodov
Modified: 2019-09-29 13:33 UTC (History)
2 users (show)

Fixed In Version: python-jwt 1.0.0
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-06-30 15:07:30 UTC
Embargoed:

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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.
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