#VU21322 Improper access control in Harbor - CVE-2019-16097
Published: September 24, 2019
Vulnerability identifier: #VU21322
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-16097
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Harbor
Harbor
Software vendor:
Harbor
Harbor
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions within "core/api/user.go" when processing HTTP POST requests to "/api/users" API, when Harbor is configured to use DB as authentication backend. A remote non-authenticated attacker can send a specially crafted HTTP request to the vulnerable API endpoint and create an administrative user account.
Remediation
Install updates from vendor's website.
External links
- https://github.com/goharbor/harbor/commit/b6db8a8a106259ec9a2c48be8a380cb3b37cf517
- https://github.com/goharbor/harbor/compare/v1.8.2...v1.9.0-rc1
- https://github.com/goharbor/harbor/releases/tag/v1.7.6
- https://github.com/goharbor/harbor/releases/tag/v1.8.3
- https://unit42.paloaltonetworks.com/critical-vulnerability-in-harbor-enables-privilege-escalation-from-zero-to-admin-cve-2019-16097/