CVE-2024-6923 (GCVE-0-2024-6923)

Vulnerability from cvelistv5 – Published: 2024-08-01 13:40 – Updated: 2025-11-03 22:32
VLAI?
Title
Email header injection due to unquoted newlines
Summary
There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
PSF
References
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 , < 3.12.5 (python)
Affected: 3.13.0a1 , < 3.13.0rc2 (python)
Create a notification for this product.
Credits
Petr Viktorin Seth Larson John Whitlock Bas Bloemsaat
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:python:cpython:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "cpython",
            "vendor": "python",
            "versions": [
              {
                "lessThanOrEqual": "3.13.0rc2",
                "status": "affected",
                "version": "0",
                "versionType": "python"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-6923",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-01T18:15:02.857863Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-94",
                "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-01T18:18:12.965Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T22:32:47.018Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2024/08/01/3"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2024/08/02/2"
          },
          {
            "url": "https://security.netapp.com/advisory/ntap-20240926-0003/"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00005.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "email"
          ],
          "product": "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": "3.12.5",
              "status": "affected",
              "version": "3.12.0",
              "versionType": "python"
            },
            {
              "lessThan": "3.13.0rc2",
              "status": "affected",
              "version": "3.13.0a1",
              "versionType": "python"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Petr Viktorin"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Seth Larson"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "John Whitlock"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Bas Bloemsaat"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "There is a MEDIUM severity vulnerability affecting CPython.\u003cbr\u003e\u003cbr\u003eThe \nemail module didn\u2019t properly quote newlines for email headers when \nserializing an email message allowing for header injection when an email\n is serialized."
            }
          ],
          "value": "There is a MEDIUM severity vulnerability affecting CPython.\n\nThe \nemail module didn\u2019t properly quote newlines for email headers when \nserializing an email message allowing for header injection when an email\n is serialized."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-31T19:55:06.174Z",
        "orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "shortName": "PSF"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/pull/122233"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/python/cpython/issues/121650"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/QH3BUOE2DYQBWP7NAQ7UNHPPOELKISRW/"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/4766d1200fdf8b6728137aa2927a297e224d5fa7"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/4aaa4259b5a6e664b7316a4d60bdec7ee0f124d0"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/06f28dc236708f72871c64d4bc4b4ea144c50147"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/b158a76ce094897c870fb6b3de62887b7ccc33f1"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/f7be505d137a22528cb0fc004422c0081d5d90e6"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/f7c0f09e69e950cf3c5ada9dbde93898eb975533"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/097633981879b3c9de9a1dd120d3aa585ecc2384"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Email header injection due to unquoted newlines",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
    "assignerShortName": "PSF",
    "cveId": "CVE-2024-6923",
    "datePublished": "2024-08-01T13:40:11.069Z",
    "dateReserved": "2024-07-19T15:32:46.458Z",
    "dateUpdated": "2025-11-03T22:32:47.018Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"http://www.openwall.com/lists/oss-security/2024/08/01/3\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/08/02/2\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240926-0003/\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00005.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-01-11T15:02:31.356Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"LOW\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-6923\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-08-01T18:15:02.857863Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:python:cpython:*:*:*:*:*:*:*:*\"], \"vendor\": \"python\", \"product\": \"cpython\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"python\", \"lessThanOrEqual\": \"3.13.0rc2\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-08-01T18:13:33.392Z\"}}], \"cna\": {\"title\": \"Email header injection due to unquoted newlines\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Petr Viktorin\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Seth Larson\"}, {\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"John Whitlock\"}, {\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Bas Bloemsaat\"}], \"affected\": [{\"vendor\": \"Python Software Foundation\", \"modules\": [\"email\"], \"product\": \"CPython\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"3.8.20\", \"versionType\": \"python\"}, {\"status\": \"affected\", \"version\": \"3.9.0\", \"lessThan\": \"3.9.20\", \"versionType\": \"python\"}, {\"status\": \"affected\", \"version\": \"3.10.0\", \"lessThan\": \"3.10.15\", \"versionType\": \"python\"}, {\"status\": \"affected\", \"version\": \"3.11.0\", \"lessThan\": \"3.11.10\", \"versionType\": \"python\"}, {\"status\": \"affected\", \"version\": \"3.12.0\", \"lessThan\": \"3.12.5\", \"versionType\": \"python\"}, {\"status\": \"affected\", \"version\": \"3.13.0a1\", \"lessThan\": \"3.13.0rc2\", \"versionType\": \"python\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://github.com/python/cpython/pull/122233\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/python/cpython/issues/121650\", \"tags\": [\"issue-tracking\"]}, {\"url\": \"https://mail.python.org/archives/list/security-announce@python.org/thread/QH3BUOE2DYQBWP7NAQ7UNHPPOELKISRW/\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://github.com/python/cpython/commit/4766d1200fdf8b6728137aa2927a297e224d5fa7\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/python/cpython/commit/4aaa4259b5a6e664b7316a4d60bdec7ee0f124d0\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/python/cpython/commit/06f28dc236708f72871c64d4bc4b4ea144c50147\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/python/cpython/commit/b158a76ce094897c870fb6b3de62887b7ccc33f1\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/python/cpython/commit/f7be505d137a22528cb0fc004422c0081d5d90e6\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/python/cpython/commit/f7c0f09e69e950cf3c5ada9dbde93898eb975533\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/python/cpython/commit/097633981879b3c9de9a1dd120d3aa585ecc2384\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"There is a MEDIUM severity vulnerability affecting CPython.\\n\\nThe \\nemail module didn\\u2019t properly quote newlines for email headers when \\nserializing an email message allowing for header injection when an email\\n is serialized.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"There is a MEDIUM severity vulnerability affecting CPython.\u003cbr\u003e\u003cbr\u003eThe \\nemail module didn\\u2019t properly quote newlines for email headers when \\nserializing an email message allowing for header injection when an email\\n is serialized.\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"28c92f92-d60d-412d-b760-e73465c3df22\", \"shortName\": \"PSF\", \"dateUpdated\": \"2025-01-31T19:55:06.174Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-6923\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-01-31T19:55:06.174Z\", \"dateReserved\": \"2024-07-19T15:32:46.458Z\", \"assignerOrgId\": \"28c92f92-d60d-412d-b760-e73465c3df22\", \"datePublished\": \"2024-08-01T13:40:11.069Z\", \"assignerShortName\": \"PSF\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.