Vulnerability · Published Jun 2, 2023 · Assigned by HashiCorp

CVE-2023-1297 Consul Cluster Peering can Result in Denial of Service

Medium 4.9

In plain English

A medium-severity security flaw in Consul from HashiCorp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)0.8%top 44.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/hashicorp/consul1.14.5GHSA-c57c-7hrj-6q6v
Gogithub.com/hashicorp/consul1.15.3GHSA-c57c-7hrj-6q6v
Gogithub.com/hashicorp/consul1.14.5, 1.15.3GO-2023-1827
Ubuntu:22.04:LTSconsulno fix listedUBUNTU-CVE-2023-1297

Affected products (as reported)

VendorProductVersions
HashiCorp Consul 1.14.0 – through 1.14.51.15.0 – through 1.15.3
HashiCorp Consul Enterprise 1.14.0 – through 1.14.51.15.0 – through 1.15.3

Weakness: CWE-826 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References