GHSA-528j-9r78-wffx etcd user credentials are stored in WAL logs in plaintext
Attackers with local access to WAL logs can read plaintext user credentials, requiring administrators to secure on-disk files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-528j-9r78-wffx?
GHSA-528j-9r78-wffx is a vulnerability in go.etcd.io/etcd/client/v3, published on 6 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Vulnerability type
Data Exposure
Workarounds
The etcd assumes that the on disk files are secure. The possible fixes have been provided, however, it is the responsibility of the etcd users to make sure that the etcd server WAL log files are secure. The etcd doesn't encrypt key/value data stored on disk drives.
Detail
User credentials (login and password) are stored in WAL entries on each user authentication. If the WAL log files are not secure, it can potentially expose sensitive information.
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-528j-9r78-wffx?
4 open source packages ship an affected version, including go.etcd.io/etcd/client/v3.
| Package | Affected | Fixed in |
|---|---|---|
go.etcd.io/etcd/client/v3 Go | All versions | 3.3.23 |
go.etcd.io/etcd/client/v3 Go | All versions | 3.3.23 |
go.etcd.io/etcd/client/v3 Go | From 3.4.0 | 3.4.10 |
go.etcd.io/etcd/client/v3 Go | From 3.4.0 | 3.4.10 |
How do I fix GHSA-528j-9r78-wffx?
Upgrade go.etcd.io/etcd/client/v3 to a fixed version for your release line: 3.3.23 or 3.4.10.
Is GHSA-528j-9r78-wffx being exploited?
There is no known exploitation of GHSA-528j-9r78-wffx in the wild and no public exploit code.