etcd up to 3.4.25/3.5.8 LeaseTimeToLive API information disclosure

Summaryinfo

A vulnerability classified as problematic has been found in etcd up to 3.4.25/3.5.8. The impacted element is an unknown function of the component LeaseTimeToLive API. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2023-32082. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in etcd up to 3.4.25/3.5.8 and classified as problematic. Affected by this vulnerability is some unknown processing of the component LeaseTimeToLive API. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

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 doesn't 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.

The weakness was shared 05/11/2023 as GHSA-3p4g-rcw5-8298. The advisory is shared at github.com. This vulnerability is known as CVE-2023-32082 since 05/01/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 3.4.26 or 3.5.9 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• etcd

Version

• 3.4.0
• 3.4.1
• 3.4.2
• 3.4.3
• 3.4.4
• 3.4.5
• 3.4.6
• 3.4.7
• 3.4.8
• 3.4.9
• 3.4.10
• 3.4.11
• 3.4.12
• 3.4.13
• 3.4.14
• 3.4.15
• 3.4.16
• 3.4.17
• 3.4.18
• 3.4.19
• 3.4.20
• 3.4.21
• 3.4.22
• 3.4.23
• 3.4.24
• 3.4.25
• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8

CPE 2.3info

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CPE 2.2info

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