CVE-2024-21671 vantage6 username timing attack
Attackers can enumerate valid usernames by analyzing login response times, facilitating credential attacks against the vantage6 platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-21671?
CVE-2024-21671 is a low-severity vulnerability in vantage6, published on 30 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The vantage6 technology enables to manage and deploy privacy enhancing technologies like Federated Learning (FL) and Multi-Party Computation (MPC). It is possible to find out usernames from the response time of login requests. This could aid attackers in credential attacks. Version 4.2.0 patches this vulnerability.
Which versions are affected by CVE-2024-21671?
4 open source packages ship an affected version, including vantage6-server and vantage6. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
vantage6-server PyPI | All versions | 4.2.0 |
vantage6-server PyPI | All versions | 4.2.0 |
vantage6-server PyPI | All versions | 4.2.0 |
vantage6 PyPI | All versions | 4.2.0 |
Products include Vantage6 Vantage6.
How do I fix CVE-2024-21671?
Upgrade vantage6-server to 4.2.0 or later.
Is CVE-2024-21671 being exploited?
There is no known exploitation of CVE-2024-21671 in the wild and no public exploit code.
Other vulnerabilities in vantage6
- CVE-2024-21649 Remote code execution
- CVE-2023-23929 Refresh tokens do not expire in Vantage6
- CVE-2023-47631 vantage6 Node accepts non-whitelisted algorithms from malicious server
- CVE-2024-21653 vantage6 insecure SSH configuration for node and server containers
- CVE-2023-22738 Improper Preservation of Permissions in vantage6
Sources
Also known as GHSA-45gq-q4xh-cp53, PYSEC-2024-31, PYSEC-2026-2008.