VDB
CVE-2020-26244
CVE-2020-26244
PUBLISHED
CVSS 6.800000190734863 MEDIUM
Python oic is a Python OpenID Connect implementation. In Python oic before version 1.2.1, there are several related cryptographic issues affecting client implementations that use the library. The issues are: 1) The IdToken signature algorithm was not checked automatically, but only if the expected algorithm was passed in as a kwarg. 2) JWA `none` algorithm was allowed in all flows. 3) oic.consumer.Consumer.parse_authz returns an unverified IdToken. The verification of the token was left to the discretion of the implementator. 4) iat claim was not checked for sanity (i.e. it could be in the future). These issues are patched in version 1.2.1.
EPSS 0.83% · 57.4th percentile
Risk Scores
CVSS 3.1
6.800000190734863
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score
0.83%
57.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| python_openid_connect_project | python_openid_connect | 0 |
| OpenIDC | pyoidc | * |
| PyPI | oic | 0 |
Timeline
- Dec 2, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Dec 31, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 7, 2022 EPSS Score
- Sep 12, 2022 EPSS Score
- Nov 14, 2022 EPSS Score
References
- https://github.com/OpenIDC/pyoidc/security/advisories/GHSA-4fjv-pmhg-3rfg url
- https://pypi.org/project/oic/ url
- https://github.com/OpenIDC/pyoidc/commit/62f8d753fa17c8b1f29f8be639cf0b33afb02498 url
- https://github.com/OpenIDC/pyoidc/releases/tag/1.2.1 url
- https://nvd.nist.gov/vuln/detail/CVE-2020-26244 advisory
- https://github.com/OpenIDC/pyoidc package
- https://github.com/pypa/advisory-database/tree/main/vulns/oic/PYSEC-2020-69.yaml url
- https://pypi.org/project/oic url