CVE-2021-39261 describes a heap-based buffer overflow vulnerability in NTFS-3G versions prior to 2021.8.22, specifically within the ntfs_compressed_pwrite function, which can be triggered by a specially crafted NTFS image. This flaw affects various distributions of Debian Linux that utilize the vulnerable NTFS-3G package. With a CVSS score of 7.8 (High), this vulnerability has a local attack vector with low complexity, allowing an authenticated attacker to achieve high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2021.8.22CPE matchmatch criteria | cpe:2.3:a:tuxera:ntfs-3g:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2021-39261
Dec 14, 2021A crafted NTFS image can cause a heap-based buffer overflow in ntfs_compressed_pwrite in NTFS-3G < 2021.8.22.
Sep 14, 2021ntfs-3g: Heap buffer overflow in ntfs_compressed_pwrite()
Aug 30, 2021