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catalog's registry v2 api exposed on unauthenticated path( CVE-2020-29662)

Low
xaleeks published GHSA-38r5-34mr-mvm7 Dec 17, 2020

Package

Harbor

Affected versions

2.0.*, 2.1.*

Patched versions

2.0.5, 2.1.2

Description

Impact

Javier Provecho, member of the TCCT (Telefonica Cloud & Cybersecurity Tech better known as ElevenPaths) SRE team discovered a vulnerability regarding Harbor’s v2 API.

The catalog’s registry v2 api is exposed on an unauthenticated path. The current catalog API path is served at the following path and it requires to be authenticated as an admin.

GET /v2/_catalog

However, the authorization can be bypassed by using the following path

GET /v2/_catalog/

Patches

If your product uses the affected releases of Harbor, update to either version v2.1.2 or v2.0.5 to fix this issue immediately

https://github.com/goharbor/harbor/releases/tag/v2.1.2
https://github.com/goharbor/harbor/releases/tag/v2.0.5

Workarounds

If you cannot access a patched release, it can be mitigated by disabling that API. For example, redirecting it to a 404 sink hole in the ingress.

For more information

If you have any questions or comments about this advisory, contact cncf-harbor-security@lists.cncf.io
View our security policy at https://github.com/goharbor/harbor/security/policy
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29662

Severity

Low

CVE ID

CVE-2020-29662

Weaknesses

No CWEs