GSD-2021-32559

Vulnerability from gsd - Updated: 2023-12-13 01:23
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.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-32559",
    "description": "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": "GSD-2021-32559"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-32559"
      ],
      "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": "GSD-2021-32559",
      "modified": "2023-12-13T01:23:09.184166Z",
      "schema_version": "1.4.0"
    }
  },
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            "url": "https://github.com/mhammond/pywin32/pull/1701"
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      "advisories": [
        {
          "affected_range": "\u003c301",
          "affected_versions": "All versions before 301",
          "cvss_v2": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2021-09-14",
          "description": "When adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.",
          "fixed_versions": [
            "301"
          ],
          "identifier": "CVE-2021-32559",
          "identifiers": [
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          "not_impacted": "All versions starting from 301",
          "package_slug": "pypi/pywin32",
          "pubdate": "2021-07-06",
          "solution": "Upgrade to version 301 or above.",
          "title": "Integer Overflow or Wraparound",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-32559"
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          "uuid": "d2ab6ae1-2dbf-4cd5-b6f6-e1d7e355d907"
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            }
          ]
        },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-09-14T14:40Z",
      "publishedDate": "2021-07-06T12:15Z"
    }
  }
}


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Sightings

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  • 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.
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  • 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.


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