CVE-2021-42521
CVSS V2 None
CVSS V3 High 7.5
Description
There is a NULL pointer dereference vulnerability in VTK before 9.2.5, 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.
Overview
- CVE ID
- CVE-2021-42521
- Assigner
- patrick@puiterwijk.org
- Vulnerability Status
- Modified
- Published Version
- 2022-08-25T18:15:09
- Last Modified Date
- 2023-03-02T18:15:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:vtk:vtk:*:*:*:*:*:*:*:* | 1 | OR | 9.0.0 |
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://discourse.vtk.org/t/vtk-9-2-5-is-out/10549 | |
| https://gitlab.kitware.com/vtk/vtk/issues/17818 | Exploit Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-42521 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42521 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-08-25 19:00:05 | Added to TrackCVE | |||
| 2022-12-21 15:14:40 | bressers@elastic.co | patrick@puiterwijk.org | CVE Assigner | updated |
| 2022-12-21 15:14:40 | 2022-12-21T15:01:19 | CVE Modified Date | updated | |
| 2022-12-21 15:14:41 | Weakness Enumeration | update | ||
| 2023-03-02 19:14:57 | 2023-03-02T18:15:09 | CVE Modified Date | updated | |
| 2023-03-02 19:14:57 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-03-02 19:14:58 | 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. | There is a NULL pointer dereference vulnerability in VTK before 9.2.5, 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. | Description | updated |
| 2023-03-02 19:14:59 | References | updated |