GHSA-XFHG-9PJG-XG7G

Vulnerability from github – Published: 2022-08-26 00:03 – Updated: 2024-11-18 23:03
VLAI?
Summary
VTK NULL pointer dereference vulnerability
Details

There is a NULL pointer dereference vulnerability in VTK, and it lies in IO/Infovis/vtkXMLTreeReader.cxx. The vendor didn't check the return value of libxml2 API 'xmlDocGetRootElement', and try to dereference it. It is unsafe as the return value can be NULL and that NULL pointer dereference may crash the application.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "vtk"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-42521"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-476"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-09-16T18:47:42Z",
    "nvd_published_at": "2022-08-25T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "There is a NULL pointer dereference vulnerability in VTK, and it lies in IO/Infovis/vtkXMLTreeReader.cxx. The vendor didn\u0027t check the return value of libxml2 API \u0027xmlDocGetRootElement\u0027, and try to dereference it. It is unsafe as the return value can be NULL and that NULL pointer dereference may crash the application.",
  "id": "GHSA-xfhg-9pjg-xg7g",
  "modified": "2024-11-18T23:03:45Z",
  "published": "2022-08-26T00:03:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-42521"
    },
    {
      "type": "WEB",
      "url": "https://discourse.vtk.org/t/vtk-9-2-5-is-out/10549"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/vtk/PYSEC-2022-255.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://gitlab.kitware.com/vtk/vtk"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.kitware.com/vtk/vtk/issues/17818"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PCTMSAAVP4BW2HTZLDWMGKZ2WEC5OFLK"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "VTK NULL pointer dereference vulnerability"
}


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.