GHSA-vjg6-93fv-qv64 Etcd auth Inaccurate logging of authentication attempts for users with CN-based auth only
Insufficient logging of failed authentication attempts for certificate-based users may mislead security audits in etcd deployments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-vjg6-93fv-qv64?
GHSA-vjg6-93fv-qv64 is a vulnerability in go.etcd.io/etcd, published on 3 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability type
Logging
Detail
etcd users who have no password can authenticate only through a client certificate. When such users try to authenticate into etcd using the Authenticate endpoint, errors are logged with insufficient information regarding why the authentication failed, and may be misleading when auditing etcd logs.
References
Find out more on this vulnerability in the security audit report
For more information
If you have any questions or comments about this advisory:
- Contact the etcd security committee
Which versions are affected by GHSA-vjg6-93fv-qv64?
6 open source packages ship an affected version, including go.etcd.io/etcd/v3 and go.etcd.io/etcd.
| Package | Affected | Fixed in |
|---|---|---|
go.etcd.io/etcd/v3 Go | All versions | None |
go.etcd.io/etcd/v3 Go | All versions | 3.3.23 |
go.etcd.io/etcd/v3 Go | All versions | 3.3.23 |
go.etcd.io/etcd/v3 Go | From 3.4.0-rc.0 | 3.4.10 |
go.etcd.io/etcd/v3 Go | From 3.4.0-rc.0 | 3.4.10 |
go.etcd.io/etcd Go | All versions | None |
How do I fix GHSA-vjg6-93fv-qv64?
Upgrade go.etcd.io/etcd/v3 to a fixed version for your release line: 3.3.23 or 3.4.10.
Is GHSA-vjg6-93fv-qv64 being exploited?
There is no known exploitation of GHSA-vjg6-93fv-qv64 in the wild and no public exploit code.
Sources
Also known as GO-2024-2530.