CVE-2023-31580 light-oauth2 missing public key verification
Attackers can bypass authentication and take over accounts by using crafted JWT tokens due to missing public key verification in the light-oauth2 library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-31580?
CVE-2023-31580 is a medium-severity authentication bypass vulnerability in n/a, published on 24 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
light-oauth2 before version 2.1.27 obtains the public key without any verification. This could allow attackers to authenticate to the application with a crafted JWT token.
Weakness: CWE-295
Which versions are affected by CVE-2023-31580?
2 open source packages ship an affected version, including com.networknt:light-oauth2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.networknt:light-oauth2 Maven | All versions | 2.1.27 |
com.networknt:light-oauth2 Maven | All versions | 2.1.27 |
Products include Networknt Light-Oauth2.
How do I fix CVE-2023-31580?
Upgrade com.networknt:light-oauth2 to 2.1.27 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-31580 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-31580 exists.
Sources
Also known as GHSA-mx47-h5fv-ghwh.