GHSA-rcm4-jv5g-wccm zfr authentication adapter did not verify validity of tokens
An authentication adapter failed to verify token validity, allowing attackers to use expired tokens to bypass authentication controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-rcm4-jv5g-wccm?
GHSA-rcm4-jv5g-wccm is an authentication bypass vulnerability in zfr/zfr-oauth2-server-module, published on 7 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Previous to @2ca5bb1c2f11537be8f94ca6867d8d69789e744a (release 0.1.2), tokens weren't checked for validity/expiration.
This potentially caused a security issue if expired tokens were not deleted after the expiration time was past, allowing anyone to still use invalidated authentication credentials.
Which versions are affected by GHSA-rcm4-jv5g-wccm?
2 open source packages ship an affected version, including zfr/zfr-oauth2-server-module.
| Package | Affected | Fixed in |
|---|---|---|
zfr/zfr-oauth2-server-module Packagist | All versions | 0.1.2 |
zfr/zfr-oauth2-server-module Packagist | All versions | 0.1.2 |
How do I fix GHSA-rcm4-jv5g-wccm?
Upgrade zfr/zfr-oauth2-server-module to 0.1.2 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is GHSA-rcm4-jv5g-wccm being exploited?
There is no known exploitation of GHSA-rcm4-jv5g-wccm in the wild and no public exploit code.