CVE-2020-29662 "catalog's registry v2 api exposed on unauthenticated path in Harbor"

Medium 5.3 Published 2 Feb 2021 Updated 4 Aug 2024

Unauthenticated access to the catalog registry API allows attackers to read sensitive registry data in Harbor.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2020-29662?

CVE-2020-29662 is a medium-severity missing authorization vulnerability in n/a, published on 2 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Harbor 2.0 before 2.0.5 and 2.1.x before 2.1.2 the catalog’s registry API is exposed on an unauthenticated path.

Weakness: CWE-319

Which versions are affected by CVE-2020-29662?

6 open source packages ship an affected version, including github.com/goharbor/harbor and harbor. It affects 1 product.

Package	Affected	Fixed in
`github.com/goharbor/harbor` Go	All versions	`2.0.5+incompatible, 2.1.2+incompatible`
`github.com/goharbor/harbor` Go	All versions	`2.0.5`
`github.com/goharbor/harbor` Go	All versions	`2.0.5`
`github.com/goharbor/harbor` Go	From `2.1.0`	`2.1.2`
`github.com/goharbor/harbor` Go	From `2.1.0`	`2.1.2`
`harbor` Bitnami	From `2.0.0`	`2.0.5, 2.1.2`

Products include Linuxfoundation Harbor.

How do I fix CVE-2020-29662?

Upgrade github.com/goharbor/harbor to a fixed version for your release line: 2.0.5+incompatible, 2.1.2+incompatible, 2.0.5 or 2.1.2.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-29662 being exploited?

There is no known exploitation of CVE-2020-29662 in the wild and no public exploit code.

Sources

Also known as BIT-harbor-2020-29662, GHSA-38r5-34mr-mvm7, GO-2022-0785.