title: Improper Input Validation in GitLab
description: An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.
problem types: CWE-20: Improper Input Validation
affected:
{
vendor: GitLab
product: GitLab
repo: git://git@gitlab.com:gitlab-org/gitlab.git
versions:
version: 12.3, status: affected, lessThan: 16.2.8, versionType: semver
version: 16.3, status: affected, lessThan: 16.3.5, versionType: semver
version: 16.4, status: affected, lessThan: 16.4.1, versionType: semver
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
baseScore: 3.5
baseSeverity: LOW
]
solutions: Upgrade to version 16.2.8, 16.3.5, 16.4.1 or above