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CVE-2024-39331

Estado: AnalizadaCrítica (9.8)—

In Emacs before 29.4, org-link-expand-abbrev in lisp/ol.el expands a %(...) link abbrev even when it specifies an unsafe function, such as shell-command-to-string. This affects Org Mode before 9.7.5.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

GNU — Emacs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-39331",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-39331",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-21T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:gnu:emacs:-:*:*:*:*:*:*:*"
          ],
          "vendor": "gnu",
          "product": "emacs",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "29.4",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-06-23T22:15:09.370",
  "references": [
    {
      "url": "https://git.savannah.gnu.org/cgit/emacs.git/tree/etc/NEWS?h=emacs-29",
      "tags": [
        "Release Notes"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?id=f4cc61636947b5c2f0afc67174dd369fe3277aa8",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://list.orgmode.org/87sex5gdqc.fsf%40localhost/",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00023.html",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00024.html",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.gnu.org/archive/html/info-gnu-emacs/2024-06/msg00000.html",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://news.ycombinator.com/item?id=40768225",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2024/06/23/1",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2024/06/23/2",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://git.savannah.gnu.org/cgit/emacs.git/tree/etc/NEWS?h=emacs-29",
      "tags": [
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?id=f4cc61636947b5c2f0afc67174dd369fe3277aa8",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://list.orgmode.org/87sex5gdqc.fsf%40localhost/",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00023.html",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00024.html",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.gnu.org/archive/html/info-gnu-emacs/2024-06/msg00000.html",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://news.ycombinator.com/item?id=40768225",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2024/06/23/1",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2024/06/23/2",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Emacs before 29.4, org-link-expand-abbrev in lisp/ol.el expands a %(...) link abbrev even when it specifies an unsafe function, such as shell-command-to-string. This affects Org Mode before 9.7.5."
    },
    {
      "lang": "es",
      "value": "En Emacs anterior a 29.4, org-link-expand-abbrev en lisp/ol.el expande una abreviatura de enlace %(...) incluso cuando especifica una función no segura, como shell-command-to-string. Esto afecta al modo de organización anterior a 9.7.5."
    }
  ],
  "lastModified": "2026-06-17T07:41:43.980",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A2FCE1A3-09E0-4700-91DE-AD79D3B2FAA8",
              "versionEndExcluding": "29.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}