CVE-2019-13483 Auth0 Passport-SharePoint does not validate JWT signature
Attackers can forge JWT tokens to bypass authentication and authorization in Auth0 Passport-SharePoint libraries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-13483?
CVE-2019-13483 is a high-severity authentication bypass vulnerability in n/a, published on 25 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Auth0 Passport-SharePoint before 0.4.0 does not validate the JWT signature of an Access Token before processing. This allows attackers to forge tokens and bypass authentication and authorization mechanisms.
Weakness: CWE-345
Which versions are affected by CVE-2019-13483?
2 open source packages ship an affected version, including passport-sharepoint. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
passport-sharepoint npm | All versions | 0.4.0 |
passport-sharepoint npm | All versions | 0.4.0 |
Products include Auth0 Passport-Sharepoint.
How do I fix CVE-2019-13483?
Upgrade passport-sharepoint to 0.4.0 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2019-13483 being exploited?
There is no known exploitation of CVE-2019-13483 in the wild and no public exploit code.
Sources
Also known as GHSA-45fh-g845-pj9w.