GSD-2023-27581

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
github-slug-action is a GitHub Action to expose slug value of GitHub environment variables inside of one's GitHub workflow. Starting in version 4.0.0` and prior to version 4.4.1, this action uses the `github.head_ref` parameter in an insecure way. This vulnerability can be triggered by any user on GitHub on any workflow using the action on pull requests. They just need to create a pull request with a branch name, which can contain the attack payload. This can be used to execute code on the GitHub runners and to exfiltrate any secrets one uses in the CI pipeline. A patched action is available in version 4.4.1. No workaround is available.
Aliases
Aliases
CVE-2023-27581
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{
  "GSD": {
    "alias": "CVE-2023-27581",
    "id": "GSD-2023-27581"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-27581"
      ],
      "details": "github-slug-action is a GitHub Action to expose slug value of GitHub environment variables inside of one\u0027s GitHub workflow. Starting in version 4.0.0` and prior to version 4.4.1, this action uses the `github.head_ref` parameter in an insecure way. This vulnerability can be triggered by any user on GitHub on any workflow using the action on pull requests. They just need to create a pull request with a branch name, which can contain the attack payload. This can be used to execute code on the GitHub runners and to exfiltrate any secrets one uses in the CI pipeline. A patched action is available in version 4.4.1. No workaround is available.",
      "id": "GSD-2023-27581",
      "modified": "2023-12-13T01:20:55.367169Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-27581",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "github-slug-action",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 4.0.0, \u003c 4.4.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "rlespinasse"
            }
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            "value": "github-slug-action is a GitHub Action to expose slug value of GitHub environment variables inside of one\u0027s GitHub workflow. Starting in version 4.0.0` and prior to version 4.4.1, this action uses the `github.head_ref` parameter in an insecure way. This vulnerability can be triggered by any user on GitHub on any workflow using the action on pull requests. They just need to create a pull request with a branch name, which can contain the attack payload. This can be used to execute code on the GitHub runners and to exfiltrate any secrets one uses in the CI pipeline. A patched action is available in version 4.4.1. No workaround is available."
          }
        ]
      },
      "impact": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-77",
                "lang": "eng",
                "value": "CWE-77: Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/rlespinasse/github-slug-action/security/advisories/GHSA-6q4m-7476-932w",
            "refsource": "MISC",
            "url": "https://github.com/rlespinasse/github-slug-action/security/advisories/GHSA-6q4m-7476-932w"
          },
          {
            "name": "https://github.com/rlespinasse/github-slug-action/commit/102b1a064a9b145e56556e22b18b19c624538d94",
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            "url": "https://github.com/rlespinasse/github-slug-action/commit/102b1a064a9b145e56556e22b18b19c624538d94"
          },
          {
            "name": "https://github.com/rlespinasse/github-slug-action/releases/tag/v4.4.1",
            "refsource": "MISC",
            "url": "https://github.com/rlespinasse/github-slug-action/releases/tag/v4.4.1"
          },
          {
            "name": "https://securitylab.github.com/research/github-actions-untrusted-input/",
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            "url": "https://securitylab.github.com/research/github-actions-untrusted-input/"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-6q4m-7476-932w",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "children": [],
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                "cpe_name": [],
                "versionEndExcluding": "4.4.1",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
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      "cve": {
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        "description": {
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              "value": "github-slug-action is a GitHub Action to expose slug value of GitHub environment variables inside of one\u0027s GitHub workflow. Starting in version 4.0.0` and prior to version 4.4.1, this action uses the `github.head_ref` parameter in an insecure way. This vulnerability can be triggered by any user on GitHub on any workflow using the action on pull requests. They just need to create a pull request with a branch name, which can contain the attack payload. This can be used to execute code on the GitHub runners and to exfiltrate any secrets one uses in the CI pipeline. A patched action is available in version 4.4.1. No workaround is available."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-77"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/rlespinasse/github-slug-action/security/advisories/GHSA-6q4m-7476-932w",
              "refsource": "MISC",
              "tags": [
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            },
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              "tags": [
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            },
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              "name": "https://github.com/rlespinasse/github-slug-action/releases/tag/v4.4.1",
              "refsource": "MISC",
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              "url": "https://github.com/rlespinasse/github-slug-action/releases/tag/v4.4.1"
            },
            {
              "name": "https://securitylab.github.com/research/github-actions-untrusted-input/",
              "refsource": "MISC",
              "tags": [
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                "Third Party Advisory"
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              "url": "https://securitylab.github.com/research/github-actions-untrusted-input/"
            }
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        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-03-17T16:05Z",
      "publishedDate": "2023-03-13T21:15Z"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.