CVE-2023-1297: Github.com/hashicorp/consul Denial of Service Vulnerability

MODERATE
Advisory Identifier: GHSA-c57c-7hrj-6q6v
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CVSS 4.9
CWE-826
Published
Advisory Summary

CVE-2023-1297 is a MODERATE (CVSS 4.9) denial of service vulnerability (CWE-826: Premature Release of Resource During Expected Lifetime) affecting Github.com/hashicorp/consul libraries in the Go ecosystem. The issue involves hashicorp consul vulnerable to denial of service. Remediation is available by upgrading affected packages to version 1.14.5, 1.15.3.

CVE-2023-1297 at a Glance

CVE Identifier CVE-2023-1297
GHSA Identifier GHSA-c57c-7hrj-6q6v
Severity MODERATE
CVSS v3.1 Base Score 4.9
CWE Classification CWE-826: Premature Release of Resource During Expected Lifetime
Affected Product Github.com/hashicorp/consul
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 4.9

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required High (PR:H)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2023-1297

To remediate this vulnerability, upgrade all affected Github.com/hashicorp/consul dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/hashicorp/consul fixed: 1.14.5 
Upgrade github.com/hashicorp/consul to 1.14.5
github.com/hashicorp/consul fixed: 1.15.3 
Upgrade github.com/hashicorp/consul to 1.15.3
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/hashicorp/consul

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-1297, inspect your project dependencies for Github.com/hashicorp/consul:

inspect dependencies for github.com/hashicorp/consul

Analyze the terminal output to locate any version of Github.com/hashicorp/consul in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.14.5), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-826: Premature Release of Resource During Expected Lifetime, where the product releases a resource that is still intended to be used by itself or another actor. In Github.com/hashicorp/consul, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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

CVE-2023-1297 Affected Github.com/hashicorp/consul Versions

2 component(s)
Fixed Versions:
1.14.51.15.3
Product / Package Ecosystem Affected Versions Fixed Version
github.com/hashicorp/consul
golang/github.com/hashicorp/consul
Go
< 1.14.5
1.14.5
github.com/hashicorp/consul
golang/github.com/hashicorp/consul
Go
≥ 1.15.0
< 1.15.3
1.15.3

References

NVD — CVE-2023-1297 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1297
discuss.hashicorp.com/t/hcsec-2023-15-con... WEB
https://discuss.hashicorp.com/t/hcsec-2023-15-consul-cluster-peering-can-result-in-denial-of-service/54515
Github.com/hashicorp/consul Source Repository REPOSITORY
https://github.com/hashicorp/consul

Frequently Asked Questions

What is CVE-2023-1297?
CVE-2023-1297 is a security vulnerability in Github.com/hashicorp/consul involving Hashicorp Consul vulnerable to denial of service under CWE-826: Premature Release of Resource During Expected Lifetime.
Which Github.com/hashicorp/consul versions are affected?
Affected versions include releases prior to 1.14.5, 1.15.3 across affected packages: github.com/hashicorp/consul.
What version fixes CVE-2023-1297?
Upgrading to 1.14.5, 1.15.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/hashicorp/consul affected?
Yes, github.com/hashicorp/consul is affected in releases prior to 1.14.5, 1.15.3. Upgrade your dependency to 1.14.5, 1.15.3 or later.
What is the CVSS score of CVE-2023-1297?
CVE-2023-1297 has a CVSS v3.1 base score of 4.9 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2023-1297?
CVE-2023-1297 is classified under CWE-826: Premature Release of Resource During Expected Lifetime (The product releases a resource that is still intended to be used by itself or another actor.).
How can I check Go dependencies for CVE-2023-1297?
Run the dependency tree command: 'inspect dependencies for github.com/hashicorp/consul'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-c57c-7hrj-6q6v",
  "modified" : "2023-06-06T02:05:01Z",
  "published" : "2023-06-03T00:30:16Z",
  "aliases" : [ "CVE-2023-1297" ],
  "summary" : "Hashicorp Consul vulnerable to denial of service",
  "details" : "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",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/hashicorp/consul"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.14.5"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/hashicorp/consul"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.15.0"
      }, {
        "fixed" : "1.15.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-1297"
  }, {
    "type" : "WEB",
    "url" : "https://discuss.hashicorp.com/t/hcsec-2023-15-consul-cluster-peering-can-result-in-denial-of-service/54515"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/hashicorp/consul"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-826" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-06-06T02:05:01Z",
    "nvd_published_at" : "2023-06-02T23:15:09Z"
  }
}