Tuxera ntfs-3g prior 2021.8.22 MFT Section heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Tuxera ntfs-3g. It has been rated as critical. This vulnerability affects unknown code of the component MFT Section Handler. This manipulation causes heap-based overflow. The identification of this vulnerability is CVE-2021-33289. It is feasible to perform the attack on the physical device. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Tuxera ntfs-3g and classified as problematic. Affected by this vulnerability is an unknown function of the component MFT Section Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 09/08/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-33289. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 299967 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50118)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2021.8.22 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (299967). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.1
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 299967
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50118)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ntfs-3g 2021.8.22

Timelineinfo

05/20/2021 🔍
09/07/2021 +110 days 🔍
09/08/2021 +0 days 🔍
03/01/2026 +1635 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-33289 (🔍)
GCVE (CVE): GCVE-0-2021-33289
GCVE (VulDB): GCVE-100-182119

Entryinfo

Created: 09/08/2021 00:56
Updated: 03/01/2026 07:07
Changes: 09/08/2021 00:56 (50), 09/10/2021 10:26 (2), 03/01/2026 07:07 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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