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Security Advisories: GSA_kwCzR0hTQS1xcTM4LW14cHEtcnJwas4AAlYT

Improper authorization of users and groups with the same base name in Jenkins GitLab Authentication Plugin

GitLab Authentication Plugin 1.5 and earlier does not differentiate between user names and hierarchical group names when performing authorization. This allows an attacker with permissions to create groups in GitLab to gain the privileges granted to another user or group.

GitLab Authentication Plugin 1.6 performs user name and group name authorization checks using the appropriate GitLab APIs.

Permalink: https://github.com/advisories/GHSA-qq38-mxpq-rrpj
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1xcTM4LW14cHEtcnJwas4AAlYT
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: almost 2 years ago
Updated: about 1 year ago


CVSS Score: 8.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-qq38-mxpq-rrpj, CVE-2020-2228
References: Blast Radius: 1.0

Affected Packages

maven:org.jenkins-ci.plugins:gitlab-oauth
Affected Version Ranges: <= 1.5
Fixed in: 1.6