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NVD Vulnerability Details :
CVE-2020-26244
Analyzed
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-02 Dec, 2020 | 20:15
Updated At-08 Dec, 2020 | 02:37

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.8MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Secondary3.16.8MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Primary2.04.9MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:N
Type: Primary
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: Primary
Version: 2.0
Base score: 4.9
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:S/C:P/I:P/A:N
CPE Matches
python_openid_connect_project
python_openid_connect_project
>>python_openid_connect>>Versions before 1.2.1(exclusive)
cpe:2.3:a:python_openid_connect_project:python_openid_connect:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-347Primarynvd@nist.gov
CWE-325Secondarysecurity-advisories@github.com
CWE-347Secondarysecurity-advisories@github.com
CWE ID: CWE-347
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-325
Type: Secondary
Source: security-advisories@github.com
CWE ID: CWE-347
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/OpenIDC/pyoidc/commit/62f8d753fa17c8b1f29f8be639cf0b33afb02498security-advisories@github.com
Patch
Third Party Advisory
https://github.com/OpenIDC/pyoidc/releases/tag/1.2.1security-advisories@github.com
Third Party Advisory
https://github.com/OpenIDC/pyoidc/security/advisories/GHSA-4fjv-pmhg-3rfgsecurity-advisories@github.com
Third Party Advisory
https://pypi.org/project/oic/security-advisories@github.com
Product
Vendor Advisory
Hyperlink: https://github.com/OpenIDC/pyoidc/commit/62f8d753fa17c8b1f29f8be639cf0b33afb02498
Source: security-advisories@github.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/OpenIDC/pyoidc/releases/tag/1.2.1
Source: security-advisories@github.com
Resource:
Third Party Advisory
Hyperlink: https://github.com/OpenIDC/pyoidc/security/advisories/GHSA-4fjv-pmhg-3rfg
Source: security-advisories@github.com
Resource:
Third Party Advisory
Hyperlink: https://pypi.org/project/oic/
Source: security-advisories@github.com
Resource:
Product
Vendor Advisory
Change History
0Changes found
Details not found