description: Insufficient validation in GitLab CE/EE affecting all versions from 12.10 prior to 15.0.5, 15.1 prior to 15.1.4, and 15.2 prior to 15.2.1 allows an authenticated and authorised user to import a project that includes branch names which are 40 hexadecimal characters, which could be abused in supply chain attacks where a victim pinned to a specific Git commit of the project.
problem types: Improper input validation in GitLab
affected:
{
product: GitLab
vendor: GitLab
versions:
status: affected, version: >=12.10, <15.0.5
status: affected, version: >=15.1, <15.1.4
status: affected, version: >=15.2, <15.2.1
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.2
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: HIGH
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N
version: 3.1
]