certfr_avis - CERTFR-2024-AVI-0734

CERTFR-2024-AVI-0734

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été découverte dans CPython. Elle permet à un attaquant de provoquer un déni de service.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

	Vendor	Product	Description
	Python	CPython	CPython versions antérieures à 3.13.0rc2

References

Title

Publication Time

CVE-2024-6232 (GCVE-0-2024-6232)

Vulnerability from cvelistv5 – Published: 2024-09-03 12:29 – Updated: 2025-11-03 22:32

Summary

There is a MEDIUM severity vulnerability affecting CPython. Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-1333 - Inefficient Regular Expression Complexity

Assigner

PSF

References

URL

Tags

	https://github.com/python/cpython/pull/121286	patch
	https://github.com/python/cpython/issues/121285	issue-tracking
	https://mail.python.org/archives/list/security-an…	vendor-advisory
	https://github.com/python/cpython/commit/4eaf4891…	patch
	https://github.com/python/cpython/commit/743acbe8…	patch
	https://github.com/python/cpython/commit/d449caf8…	patch
	https://github.com/python/cpython/commit/ed3a49ea…	patch
	https://github.com/python/cpython/commit/7d1f50cd…	patch
	https://github.com/python/cpython/commit/b4225ca9…	patch
	https://github.com/python/cpython/commit/34ddb64d…	patch

Impacted products

	Vendor	Product	Version
	Python Software Foundation	CPython	Affected: 0 , < 3.8.20 (python) Affected: 3.9.0 , < 3.9.20 (python) Affected: 3.10.0 , < 3.10.15 (python) Affected: 3.11.0 , < 3.11.10 (python) Affected: 3.12.0 , < 3.12.6 (python) Affected: 3.13.0a1 , < 3.13.0rc2 (python)

Credits

Elias Joakim Myllymäki Seth Larson Seth Larson Gregory P. Smith

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:python:cpython:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "cpython",
            "vendor": "python",
            "versions": [
              {
                "lessThan": "3.8.20",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              },
              {
                "lessThan": "3.9.20",
                "status": "affected",
                "version": "3.9.0",
                "versionType": "custom"
              },
              {
                "lessThan": "3.10.15",
                "status": "affected",
                "version": "3.10.0",
                "versionType": "custom"
              },
              {
                "lessThan": "3.11.10",
                "status": "affected",
                "version": "3.11.0",
                "versionType": "custom"
              },
              {
                "lessThan": "3.12.6",
                "status": "affected",
                "version": "3.12.0",
                "versionType": "custom"
              },
              {
                "lessThan": "3.13.0rc2",
                "status": "affected",
                "version": "3.13.0a1",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-6232",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-12-04T15:24:31.176254Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-20T18:02:26.275Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T22:32:42.630Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2024/09/03/5"
          },
          {
            "url": "https://security.netapp.com/advisory/ntap-20241018-0007/"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "CPython",
          "repo": "https://github.com/python/cpython",
          "vendor": "Python Software Foundation",
          "versions": [
            {
              "lessThan": "3.8.20",
              "status": "affected",
              "version": "0",
              "versionType": "python"
            },
            {
              "lessThan": "3.9.20",
              "status": "affected",
              "version": "3.9.0",
              "versionType": "python"
            },
            {
              "lessThan": "3.10.15",
              "status": "affected",
              "version": "3.10.0",
              "versionType": "python"
            },
            {
              "lessThan": "3.11.10",
              "status": "affected",
              "version": "3.11.0",
              "versionType": "python"
            },
            {
              "lessThan": "3.12.6",
              "status": "affected",
              "version": "3.12.0",
              "versionType": "python"
            },
            {
              "lessThan": "3.13.0rc2",
              "status": "affected",
              "version": "3.13.0a1",
              "versionType": "python"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Elias Joakim Myllym\u00e4ki"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Seth Larson"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Seth Larson"
        },
        {
          "lang": "en",
          "type": "remediation reviewer",
          "value": "Gregory P. Smith"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003eThere is a MEDIUM severity vulnerability affecting CPython.\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eRegular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.\u0026nbsp; \u003c/div\u003e"
            }
          ],
          "value": "There is a MEDIUM severity vulnerability affecting CPython.\n\n\n\n\n\nRegular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1333",
              "description": "CWE-1333 Inefficient Regular Expression Complexity",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-31T19:54:59.572Z",
        "orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "shortName": "PSF"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/pull/121286"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/python/cpython/issues/121285"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/JRYFTPRHZRTLMZLWQEUHZSJXNHM4ACTY/"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/4eaf4891c12589e3c7bdad5f5b076e4c8392dd06"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/743acbe872485dc18df4d8ab2dc7895187f062c4"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/d449caf8a179e3b954268b3a88eb9170be3c8fbf"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/ed3a49ea734ada357ff4442996fd4ae71d253373"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/7d1f50cd92ff7e10a1c15a8f591dde8a6843a64d"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/b4225ca91547aa97ed3aca391614afbb255bc877"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/34ddb64d088dd7ccc321f6103d23153256caa5d4"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Regular-expression DoS when parsing TarFile headers",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
    "assignerShortName": "PSF",
    "cveId": "CVE-2024-6232",
    "datePublished": "2024-09-03T12:29:00.102Z",
    "dateReserved": "2024-06-20T21:01:55.524Z",
    "dateUpdated": "2025-11-03T22:32:42.630Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted