CVE-2023-32082: Exposure of Sensitive Information to an Unauthorized Actor

May 12, 2023

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.26 and 3.5.9, the LeaseTimeToLive API allows access to key names (not value) associated to a lease when Keys parameter is true, even a user does not have read permission to the keys. The impact is limited to a cluster which enables auth (RBAC). Versions 3.4.26 and 3.5.9 fix this issue. There are no known workarounds.

References

github.com/advisories/GHSA-3p4g-rcw5-8298
github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.4.md
github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.5.md
github.com/etcd-io/etcd/pull/15656
github.com/etcd-io/etcd/security/advisories/GHSA-3p4g-rcw5-8298
nvd.nist.gov/vuln/detail/CVE-2023-32082

Code Behaviors & Features

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