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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Tuxera ntfs-3g. The impacted element is the function ntfs_get_attribute_value of the component NTFS Image Handler. Such manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2021-39263. The attack can be executed directly on the physical device. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Tuxera ntfs-3g and classified as problematic. Affected by this issue is the function ntfs_get_attribute_value of the component NTFS Image Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability.

The weakness was released 09/08/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-39263. There are known technical details, but no exploit is available.

Upgrading to version 2021.8.22 eliminates this vulnerability.

Once again VulDB remains the best 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: 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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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-2021-39263 (🔍)
GCVE (CVE): GCVE-0-2021-39263
GCVE (VulDB): GCVE-100-182156

Entryinfo

Created: 09/08/2021 08:20
Updated: 12/02/2025 22:36
Changes: 09/08/2021 08:20 (38), 09/10/2021 15:00 (2), 12/02/2025 22:36 (33)
Complete: 🔍
Cache ID: 216::103

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