CVE-2020-15233

ORY Fosite is a security first OAuth2 & OpenID Connect framework for Go. In Fosite from version 0.30.2 and before version 0.34.1, there is an issue in which an an attacker can override the registered redirect URL by performing an OAuth flow and requesting a redirect URL that is to the loopback adapter. Attackers can provide both custom URL query parameters to their loopback redirect URL, as well as actually overriding the host of the registered redirect URL. These attacks are only applicable in scenarios where the attacker has access over the loopback interface. This vulnerability has been patched in ORY Fosite v0.34.1.

CVSS v3 4.8 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:N

Exploitability : 6.8 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/ory/fosite/commit/cdee51ebe721bfc8acca0fd0b86b030ca70867bf	Patch Third Party Advisory
https://github.com/ory/fosite/security/advisories/GHSA-rfq3-w54c-f9q5	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ory:fosite:*:*:*:*:*:*:*:*

History

18 Nov 2021, 16:48

Type	Values Removed	Values Added
CVSS	v2 : ~~4.9~~ v3 : ~~6.1~~	v2 : 4.9 v3 : 4.8
CWE	~~CWE-20~~

Information

Published : 2020-10-02 21:15

Updated : 2024-02-04 21:23

NVD link : CVE-2020-15233

Mitre link : CVE-2020-15233

CVE.ORG link : CVE-2020-15233

JSON object : View

Products Affected

ory

fosite

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

CWE-20

Improper Input Validation

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