pysec - pysec-2021-112

pysec-2021-112

Vulnerability from pysec

Published

2021-07-06 12:15

Modified

2021-07-08 03:14

Details

An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.

Impacted products

Name	purl
pywin32	pkg:pypi/pywin32

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pywin32",
        "purl": "pkg:pypi/pywin32"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "301"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "210",
        "214",
        "222",
        "223",
        "224",
        "225",
        "226",
        "227",
        "228",
        "300"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-32559",
    "GHSA-hwfp-hg2m-9vr2"
  ],
  "details": "An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.",
  "id": "PYSEC-2021-112",
  "modified": "2021-07-08T03:14:30.948663Z",
  "published": "2021-07-06T12:15:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/mhammond/pywin32/releases"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-hwfp-hg2m-9vr2"
    }
  ]
}

CVE-2021-32559 (GCVE-0-2021-32559)

Vulnerability from cvelistv5

Published

2021-07-06 11:35

Modified

2024-08-03 23:25

Severity ?

CWE

Summary

References

URL

Tags

	https://github.com/mhammond/pywin32/releases	x_refsource_MISC
	https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md	x_refsource_MISC
	https://github.com/mhammond/pywin32/issues/1700	x_refsource_MISC
	https://github.com/mhammond/pywin32/pull/1701	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:25:30.883Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mhammond/pywin32/releases"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mhammond/pywin32/issues/1700"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mhammond/pywin32/pull/1701"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-15T13:36:09",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/mhammond/pywin32/releases"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/mhammond/pywin32/issues/1700"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/mhammond/pywin32/pull/1701"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-32559",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/mhammond/pywin32/releases",
              "refsource": "MISC",
              "url": "https://github.com/mhammond/pywin32/releases"
            },
            {
              "name": "https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md",
              "refsource": "MISC",
              "url": "https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md"
            },
            {
              "name": "https://github.com/mhammond/pywin32/issues/1700",
              "refsource": "MISC",
              "url": "https://github.com/mhammond/pywin32/issues/1700"
            },
            {
              "name": "https://github.com/mhammond/pywin32/pull/1701",
              "refsource": "MISC",
              "url": "https://github.com/mhammond/pywin32/pull/1701"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-32559",
    "datePublished": "2021-07-06T11:35:05",
    "dateReserved": "2021-05-11T00:00:00",
    "dateUpdated": "2024-08-03T23:25:30.883Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

ghsa-hwfp-hg2m-9vr2

Vulnerability from github

Published

2021-08-09 20:43

Modified

2025-03-27 17:43

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.1 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Summary

Integer overflow in pywin32

Details

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pywin32"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "301"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-32559"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-07-07T16:45:27Z",
    "nvd_published_at": "2021-07-06T12:15:00Z",
    "severity": "HIGH"
  },
  "details": "An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.",
  "id": "GHSA-hwfp-hg2m-9vr2",
  "modified": "2025-03-27T17:43:16Z",
  "published": "2021-08-09T20:43:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-32559"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mhammond/pywin32/issues/1700"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mhammond/pywin32/pull/1701"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-hwfp-hg2m-9vr2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mhammond/pywin32"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mhammond/pywin32/releases"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/pywin32/PYSEC-2021-112.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Integer overflow in pywin32"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

pysec-2021-112

Vulnerability from pysec

CVE-2021-32559 (GCVE-0-2021-32559)

Vulnerability from cvelistv5

ghsa-hwfp-hg2m-9vr2

Vulnerability from github

Tags

Sightings

Nomenclature