// For flags

CVE-2021-39253

ntfs-3g: Out-of-bounds read in ntfs_runlists_merge_i()

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A crafted NTFS image can cause an out-of-bounds read in ntfs_runlists_merge_i in NTFS-3G < 2021.8.22.

Una imagen NTFS diseñada puede causar una lectura fuera de límites en la función ntfs_runlists_merge_i en NTFS-3G versiones anteriores a 2021.8.22

The ntfs3g package is susceptible to an input validation flaw. When processing a crafted NTFS image there is an improper check which leads to an out of bounds read. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-17 CVE Reserved
  • 2021-09-07 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Tuxera
Search vendor "Tuxera"
Ntfs-3g
Search vendor "Tuxera" for product "Ntfs-3g"
< 2021.8.22
Search vendor "Tuxera" for product "Ntfs-3g" and version " < 2021.8.22"
-
Affected
Debian
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Debian Linux
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9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Debian
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Debian Linux
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10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected
Debian
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Debian Linux
Search vendor "Debian" for product "Debian Linux"
11.0
Search vendor "Debian" for product "Debian Linux" and version "11.0"
-
Affected
Fedoraproject
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Fedora
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33
Search vendor "Fedoraproject" for product "Fedora" and version "33"
-
Affected
Fedoraproject
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Fedora
Search vendor "Fedoraproject" for product "Fedora"
35
Search vendor "Fedoraproject" for product "Fedora" and version "35"
-
Affected