description: An issue has been discovered in GitLab CE/EE affecting all versions before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. A race condition can lead to verified email forgery and takeover of third-party accounts when using GitLab as an OAuth provider.
problem types: Time-of-check time-of-use (toctou) race condition in GitLab
affected:
{
vendor: GitLab
product: GitLab
versions:
version: >=0.0, <15.5.7, status: affected
version: >=15.6, <15.6.4, status: affected
version: >=15.7, <15.7.2, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: CHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: NONE
baseScore: 6.4
baseSeverity: MEDIUM
]