CVE-2021-39256
ntfs-3g: Heap buffer overflow in ntfs_inode_lookup_by_name()
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 a heap-based buffer overflow in ntfs_inode_lookup_by_name in NTFS-3G < 2021.8.22.
Una imagen NTFS diseñada puede causar un desbordamiento del búfer en la región heap de la memoria en la función ntfs_inode_lookup_by_name en NTFS-3G versiones anteriores a 2021.8.22
The ntfs3g package is susceptible to a heap overflow on crafted input. When processing an NTFS image, proper bounds checking was not enforced leading to this software flaw. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* 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-787: Out-of-bounds Write
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://github.com/tuxera/ntfs-3g/releases | Release Notes | |
| https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp | Third Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202301-01 | 2023-01-13 | |
| https://www.debian.org/security/2021/dsa-4971 | 2023-01-13 | |
| https://access.redhat.com/security/cve/CVE-2021-39256 | 2022-05-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2001654 | 2022-05-10 |
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 Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0" | - |
Affected
| ||||||