CVE-2023-6507
Vulnerability from cvelistv5
Published
2023-12-08 18:20
Modified
2024-08-02 08:35
Severity
6.1 (Medium) - cvssV3_1 - CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Summary
Groups not dropped before running subprocess when using empty 'extra_groups' parameter
References
SourceURLTags
cna@python.orghttps://github.com/python/cpython/commit/10e9bb13b8dcaa414645b9bd10718d8f7179e82b
cna@python.orghttps://github.com/python/cpython/commit/85bbfa8a4bbdbb61a3a84fbd7cb29a4096ab8a06
cna@python.orghttps://github.com/python/cpython/commit/9fe7655c6ce0b8e9adc229daf681b6d30e6b1610
cna@python.orghttps://github.com/python/cpython/issues/112334Issue Tracking, Patch
cna@python.orghttps://mail.python.org/archives/list/security-announce@python.org/thread/AUL7QFHBLILGISS7U63B47AYSSGJJQZD/Third Party Advisory
Impacted products
VendorProduct
Python Software FoundationCPython
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:python:cpython:3.13.0:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "cpython",
            "vendor": "python",
            "versions": [
              {
                "status": "affected",
                "version": "3.13.0"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:python:cpython:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "cpython",
            "vendor": "python",
            "versions": [
              {
                "status": "affected",
                "version": "3.12.0"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-6507",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-31T20:16:20.207522Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:17:02.629Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T08:35:13.267Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://github.com/python/cpython/issues/112334"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/AUL7QFHBLILGISS7U63B47AYSSGJJQZD/"
          },
          {
            "tags": [
              "patch",
              "x_transferred"
            ],
            "url": "https://github.com/python/cpython/commit/9fe7655c6ce0b8e9adc229daf681b6d30e6b1610"
          },
          {
            "tags": [
              "patch",
              "x_transferred"
            ],
            "url": "https://github.com/python/cpython/commit/10e9bb13b8dcaa414645b9bd10718d8f7179e82b"
          },
          {
            "tags": [
              "patch",
              "x_transferred"
            ],
            "url": "https://github.com/python/cpython/commit/85bbfa8a4bbdbb61a3a84fbd7cb29a4096ab8a06"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "POSIX"
          ],
          "product": "CPython",
          "repo": "https://github.com/python/cpython",
          "vendor": "Python Software Foundation",
          "versions": [
            {
              "lessThan": "3.12.1",
              "status": "affected",
              "version": "3.12.0",
              "versionType": "python"
            },
            {
              "lessThan": "3.13.0a3",
              "status": "affected",
              "version": "3.13.0a1",
              "versionType": "python"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003e\u003cspan style=\"background-color: transparent;\"\u003eAn issue was found in CPython 3.12.0 `subprocess` module on POSIX platforms. The issue was fixed in CPython 3.12.1 and does not affect other stable releases.\u003c/span\u003e\u003c/p\u003e\u003cp\u003e\u003cspan style=\"background-color: transparent;\"\u003eWhen using the `extra_groups=` parameter with an empty list as a value (ie `extra_groups=[]`) the logic regressed to not call `setgroups(0, NULL)` before calling `exec()`, thus not dropping the original processes\u0027 groups before starting the new process. There is no issue when the parameter isn\u0027t used or when any value is used besides an empty list.\u003c/span\u003e\u003c/p\u003e\u003cp\u003e\u003cspan style=\"background-color: transparent;\"\u003eThis issue only impacts CPython processes run with sufficient privilege to make the `setgroups` system call (typically `root`).\u003c/span\u003e\u003c/p\u003e"
            }
          ],
          "value": "An issue was found in CPython 3.12.0 `subprocess` module on POSIX platforms. The issue was fixed in CPython 3.12.1 and does not affect other stable releases.\n\nWhen using the `extra_groups=` parameter with an empty list as a value (ie `extra_groups=[]`) the logic regressed to not call `setgroups(0, NULL)` before calling `exec()`, thus not dropping the original processes\u0027 groups before starting the new process. There is no issue when the parameter isn\u0027t used or when any value is used besides an empty list.\n\nThis issue only impacts CPython processes run with sufficient privilege to make the `setgroups` system call (typically `root`).\n\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-122",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-122 Privilege Abuse"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-07T21:36:25.215Z",
        "orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "shortName": "PSF"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/python/cpython/issues/112334"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/AUL7QFHBLILGISS7U63B47AYSSGJJQZD/"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/9fe7655c6ce0b8e9adc229daf681b6d30e6b1610"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/10e9bb13b8dcaa414645b9bd10718d8f7179e82b"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/85bbfa8a4bbdbb61a3a84fbd7cb29a4096ab8a06"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Groups not dropped before running subprocess when using empty \u0027extra_groups\u0027 parameter",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
    "assignerShortName": "PSF",
    "cveId": "CVE-2023-6507",
    "datePublished": "2023-12-08T18:20:49.583Z",
    "dateReserved": "2023-12-04T21:24:50.284Z",
    "dateUpdated": "2024-08-02T08:35:13.267Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-6507\",\"sourceIdentifier\":\"cna@python.org\",\"published\":\"2023-12-08T19:15:08.440\",\"lastModified\":\"2024-05-07T22:15:07.297\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was found in CPython 3.12.0 `subprocess` module on POSIX platforms. The issue was fixed in CPython 3.12.1 and does not affect other stable releases.\\n\\nWhen using the `extra_groups=` parameter with an empty list as a value (ie `extra_groups=[]`) the logic regressed to not call `setgroups(0, NULL)` before calling `exec()`, thus not dropping the original processes\u0027 groups before starting the new process. There is no issue when the parameter isn\u0027t used or when any value is used besides an empty list.\\n\\nThis issue only impacts CPython processes run with sufficient privilege to make the `setgroups` system call (typically `root`).\\n\\n\"},{\"lang\":\"es\",\"value\":\"Se encontr\u00f3 un problema en el m\u00f3dulo `subproceso` de CPython 3.12.0 en plataformas POSIX. El problema se solucion\u00f3 en CPython 3.12.1 y no afecta a otras versiones estables. Cuando se utiliza el par\u00e1metro `extra_groups=` con una lista vac\u00eda como valor (es decir, `extra_groups=[]`), la l\u00f3gica retrocede para no llamar a `setgroups(0, NULL)` antes de llamar a `exec()`, por lo que no se descarta el grupos de procesos originales antes de iniciar el nuevo proceso. No hay ning\u00fan problema cuando no se usa el par\u00e1metro o cuando se usa cualquier valor adem\u00e1s de una lista vac\u00eda. Este problema solo afecta los procesos de CPython que se ejecutan con privilegios suficientes para realizar la llamada al sistema \\\"setgroups\\\" (normalmente \\\"root\\\").\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.2,\"impactScore\":3.6},{\"source\":\"cna@python.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.9,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]},{\"source\":\"cna@python.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:3.12.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"5C76EDC2-43FF-448B-B65C-20AC83D680FE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:3.13.0:alpha1:*:*:*:*:*:*\",\"matchCriteriaId\":\"978582FF-B8F3-479F-AE77-359E9AEE6F23\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:3.13.0:alpha2:*:*:*:*:*:*\",\"matchCriteriaId\":\"84E3F62C-7218-4DC3-8473-8A576739643A\"}]}]}],\"references\":[{\"url\":\"https://github.com/python/cpython/commit/10e9bb13b8dcaa414645b9bd10718d8f7179e82b\",\"source\":\"cna@python.org\"},{\"url\":\"https://github.com/python/cpython/commit/85bbfa8a4bbdbb61a3a84fbd7cb29a4096ab8a06\",\"source\":\"cna@python.org\"},{\"url\":\"https://github.com/python/cpython/commit/9fe7655c6ce0b8e9adc229daf681b6d30e6b1610\",\"source\":\"cna@python.org\"},{\"url\":\"https://github.com/python/cpython/issues/112334\",\"source\":\"cna@python.org\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://mail.python.org/archives/list/security-announce@python.org/thread/AUL7QFHBLILGISS7U63B47AYSSGJJQZD/\",\"source\":\"cna@python.org\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.