Tuxera ntfs-3g prior 2021.8.22 NTFS Image ntfs_inode_lookup_by_name heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Tuxera ntfs-3g. Affected by this vulnerability is the function ntfs_inode_lookup_by_name of the component NTFS Image Handler. This manipulation causes heap-based overflow. The identification of this vulnerability is CVE-2021-39256. It is feasible to perform the attack on the physical device. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Tuxera ntfs-3g. It has been declared as problematic. Affected by this vulnerability is the function ntfs_inode_lookup_by_name of the component NTFS Image 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. The advisory is shared at github.com. This vulnerability is known as CVE-2021-39256. Technical details are known, but no exploit is available.

Upgrading to version 2021.8.22 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2021-25618). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ntfs-3g 2021.8.22

Timelineinfo

08/17/2021 🔍
09/08/2021 +22 days 🔍
09/08/2021 +0 days 🔍
12/02/2025 +1546 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-39256 (🔍)
GCVE (CVE): GCVE-0-2021-39256
GCVE (VulDB): GCVE-100-182149
EUVD: 🔍

Entryinfo

Created: 09/08/2021 08:15
Updated: 12/02/2025 23:27
Changes: 09/08/2021 08:15 (38), 09/10/2021 14:43 (2), 12/02/2025 23:10 (15), 12/02/2025 23:27 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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