Cryptographic Issues Affecting oic package, versions [,1.2.1)
Threat Intelligence
EPSS
0.16% (53rd
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-OIC-1047572
- published 1 Dec 2020
- disclosed 1 Dec 2020
- credit tpazderka
Introduced: 1 Dec 2020
CVE-2020-26244 Open this link in a new tabHow to fix?
Upgrade oic
to version 1.2.1 or higher.
Overview
Affected versions of this package are vulnerable to Cryptographic Issues due to the following:
- The IdToken signature algorithm was not checked automatically, but only if the expected algorithm was passed in as a
kwarg
. - JWA none algorithm was allowed in all flows.
oic.consumer.Consumer.parse_authz
returns an unverifiedIdToken
. The verification of the token was left to the discretion of the implementator.iat
claim was not checked for sanity (i.e. it could be in the future)
CVSS Scores
version 3.1