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Gitea displaying raw OpenID error in UI

Moderate severity GitHub Reviewed Published Feb 9, 2022 to the GitHub Advisory Database • Updated Feb 3, 2023

Package

gomod github.com/go-gitea/gitea (Go)

Affected versions

< 1.7.0

Patched versions

1.7.0

Description

Gitea is a project to help users set up a self-hosted Git service. Server Side Request Forgery (SSRF) vulnerability exists in Gitea before 1.7.0 using the OpenID URL. Gitea can leak sensitive information about the local network through the error provided by the UI.

References

Published by the National Vulnerability Database Feb 8, 2022
Published to the GitHub Advisory Database Feb 9, 2022
Reviewed Feb 14, 2022
Last updated Feb 3, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(53rd percentile)

Weaknesses

Server-Side Request Forgery (SSRF)

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Learn more on MITRE.

CVE ID

CVE-2021-45325

GHSA ID

GHSA-8h8p-x289-vvqr

Source code

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