CVE-2020-27219 Cross-site Scripting in Eclipse Hawkbit
An attacker can inject malicious scripts via unescaped path attributes in 404 error responses, potentially leading to code execution in the browser context.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-27219?
CVE-2020-27219 is a medium-severity cross-site scripting vulnerability in The Eclipse Foundation Eclipse Hawkbit, published on 14 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In all version of Eclipse Hawkbit prior to 0.3.0M7, the HTTP 404 (Not Found) JSON response body returned by the REST API may contain unsafe characters within the path attribute. Sending a POST request to a non existing resource will return the full path from the given URL unescaped to the client.
Weakness: CWE-79
Which versions are affected by CVE-2020-27219?
2 open source packages ship an affected version, including org.eclipse.hawkbit:hawkbit-parent. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.eclipse.hawkbit:hawkbit-parent Maven | All versions | 0.3.0M7 |
org.eclipse.hawkbit:hawkbit-parent Maven | All versions | 0.3.0M7 |
Products include Eclipse Hawkbit.
How do I fix CVE-2020-27219?
Upgrade org.eclipse.hawkbit:hawkbit-parent to 0.3.0M7 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-27219 being exploited?
There is no known exploitation of CVE-2020-27219 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in The Eclipse Foundation Eclipse Hawkbit
Sources
Also known as GHSA-rcvx-rmvf-mxch.