CVE-2021-32074: Hashicorp/vault action Vault GitHub Action Did Not Vulnerability

HIGH
Advisory Identifier: GHSA-4mgv-m5cm-f9h7
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CVSS 7.5
CWE-532
Published
Advisory Summary

CVE-2021-32074 is a HIGH (CVSS 7.5) vault github action did not vulnerability (CWE-532: Insertion of Sensitive Information into Log File) affecting Hashicorp/vault action libraries in the GitHub Actions ecosystem. The issue involves vault github action did not correctly mask multi-line secrets in output. Remediation is available by upgrading affected packages to version 2.2.0.

CVE-2021-32074 at a Glance

CVE Identifier CVE-2021-32074
GHSA Identifier GHSA-4mgv-m5cm-f9h7
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-532: Insertion of Sensitive Information into Log File
Affected Product Hashicorp/vault action
Package Ecosystem GitHub Actions
Published Date
Last Updated

Security Impact

CVSS: 7.5

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

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

How to Fix CVE-2021-32074

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

hashicorp/vault-action fixed: 2.2.0 
Upgrade hashicorp/vault-action to 2.2.0
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 hashicorp/vault-action

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-32074, inspect your project dependencies for Hashicorp/vault action:

inspect dependencies for hashicorp/vault-action

Analyze the terminal output to locate any version of Hashicorp/vault action in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.2.0), 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-532: Insertion of Sensitive Information into Log File, where the product writes sensitive information to a log file. In Hashicorp/vault action, 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

HashiCorp vault-action (aka Vault GitHub Action) before 2.2.0 allows attackers to obtain sensitive information from log files because a multi-line secret was not correctly registered with GitHub Actions for log masking. The vault-action implementation did not correctly handle the marking of multi-line variables. As a result, multi-line secrets were not correctly masked in vault-action output. Remediation: Customers using vault-action should evaluate the risk associated with this issue, and consider upgrading to vault-action 2.2.0 or newer. Please refer to https://github.com/marketplace/actions/hashicorp-vault for more information.

CVE-2021-32074 Affected Hashicorp/vault action Versions

1 component(s)
Fixed Versions:
2.2.0
Product / Package Ecosystem Affected Versions Fixed Version
hashicorp/vault-action
 GitHub Actions
< 2.2.0
2.2.0

References

NVD — CVE-2021-32074 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32074
Hashicorp/vault action Source Repository REPOSITORY
https://github.com/hashicorp/vault-action/issues/205
Hashicorp/vault action Source Repository REPOSITORY
https://github.com/hashicorp/vault-action/pull/208
Security Fix Commit FIX COMMIT
https://github.com/hashicorp/vault-action/commit/3526e1be65cf8faf42d6088bc5da8bff596c718a
discuss.hashicorp.com/t/hcsec-2021-13-vau... WEB
https://discuss.hashicorp.com/t/hcsec-2021-13-vault-github-action-did-not-correctly-mask-multi-line-secrets-in-output/24128
Hashicorp/vault action Source Repository REPOSITORY
https://github.com/hashicorp/vault-action
Hashicorp/vault action Source Repository REPOSITORY
https://github.com/hashicorp/vault-action/blob/master/CHANGELOG.md

Frequently Asked Questions

What is CVE-2021-32074?
CVE-2021-32074 is a security vulnerability in Hashicorp/vault action involving Vault GitHub Action did not correctly mask multi-line secrets in output under CWE-532: Insertion of Sensitive Information into Log File.
Which Hashicorp/vault action versions are affected?
Affected versions include releases prior to 2.2.0 across affected packages: hashicorp/vault-action.
What version fixes CVE-2021-32074?
Upgrading to 2.2.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is hashicorp/vault-action affected?
Yes, hashicorp/vault-action is affected in releases prior to 2.2.0. Upgrade your dependency to 2.2.0 or later.
What is the CVSS score of CVE-2021-32074?
CVE-2021-32074 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2021-32074?
CVE-2021-32074 is classified under CWE-532: Insertion of Sensitive Information into Log File (The product writes sensitive information to a log file.).
How can I check GitHub Actions dependencies for CVE-2021-32074?
Run the dependency tree command: 'inspect dependencies for hashicorp/vault-action'. 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-4mgv-m5cm-f9h7",
  "modified" : "2024-01-25T19:58:46Z",
  "published" : "2022-05-24T19:01:50Z",
  "aliases" : [ "CVE-2021-32074" ],
  "summary" : "Vault GitHub Action did not correctly mask multi-line secrets in output",
  "details" : "HashiCorp vault-action (aka Vault GitHub Action) before 2.2.0 allows attackers to obtain sensitive information from log files because a multi-line secret was not correctly registered with GitHub Actions for log masking.\n\nThe vault-action implementation did not correctly handle the marking of multi-line variables. As a result, multi-line secrets were not correctly masked in vault-action output.\n\nRemediation:\nCustomers using vault-action should evaluate the risk associated with this issue, and consider upgrading to vault-action 2.2.0 or newer. Please refer to https://github.com/marketplace/actions/hashicorp-vault for more information.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "GitHub Actions",
      "name" : "hashicorp/vault-action"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.2.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-32074"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/hashicorp/vault-action/issues/205"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/hashicorp/vault-action/pull/208"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/hashicorp/vault-action/commit/3526e1be65cf8faf42d6088bc5da8bff596c718a"
  }, {
    "type" : "WEB",
    "url" : "https://discuss.hashicorp.com/t/hcsec-2021-13-vault-github-action-did-not-correctly-mask-multi-line-secrets-in-output/24128"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/hashicorp/vault-action"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/hashicorp/vault-action/blob/master/CHANGELOG.md"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-532" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-07-29T19:57:46Z",
    "nvd_published_at" : "2021-05-07T05:15:00Z"
  }
}