Vulnerability CVE-2019-13483


Published: 2019-07-25

Description:
Auth0 Passport-SharePoint before 0.4.0 does not validate the JWT signature of an Access Token before processing. This allows attackers to forge tokens and bypass authentication and authorization mechanisms.

Type:

CWE-345

(Insufficient Verification of Data Authenticity)

Vendor: Auth0
Product: Passport-sharepoint 
Version: 0.3.0;

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
https://auth0.com/docs/security/bulletins/cve-2019-13483

Related CVE
CVE-2018-15121
An issue was discovered in Auth0 auth0-aspnet and auth0-aspnet-owin. Affected packages do not use or validate the state parameter of the OAuth 2.0 and OpenID Connect protocols. This leaves applications vulnerable to CSRF attacks during authentication...
CVE-2018-6874
CSRF exists in the Auth0 authentication service through 14591 if the Legacy Lock API flag is enabled.
CVE-2018-6873
The Auth0 authentication service before 2017-10-15 allows privilege escalation because the JWT audience is not validated.

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