Advisoriesby IbisetcdGHSA-3p4g-rcw5-8298
etcd Key name can be accessed via LeaseTimeToLive API
Fix: upgrade to 3.4.26 or later (2 fixed versions below)
Impact
LeaseTimeToLive API allows access to key names (not value) associated to a lease when Keys parameter is true, even a user doesn't have read permission to the keys. The impact is limited to a cluster which enables auth (RBAC).
Patches
< v3.4.26 and < v3.5.9 are affected.
Workarounds
No.
Reporter
Yoni Rozenshein
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| github.com/etcd-io/etcd Go | < 3.4.26 | 3.4.26 |
| >= 3.5.0, < 3.5.9 | 3.5.9 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-200
- Also known as
- BIT-etcd-2023-32082, CVE-2023-32082