CVE-2021-39256 — Out-of-bounds Write in Ntfs-3g

CWE-787 — Out-of-bounds WriteCWE-20 — Improper Input ValidationCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents7 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 71.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tuxera Ntfs-3gDebian Linux
Timeline
PublishedSep 7
Latest updateMay 24

Description

A crafted NTFS image can cause a heap-based buffer overflow in ntfs_inode_lookup_by_name in NTFS-3G < 2021.8.22.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶NVDtuxera/ntfs-3g< 2021.8.22
▶Debiantuxera/ntfs-3g< 1:2017.3.23AR.3-4+deb11u1+3

Also affects: Debian Linux 10.0, 11.0, 9.0

🔴Vulnerability Details

3
GHSA
GHSA-h83f-v73c-v6q4: A crafted NTFS image can cause a heap-based buffer overflow in ntfs_inode_lookup_by_name in NTFS-3G < 2021↗2022-05-24
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CVEList
CVE-2021-39256: A crafted NTFS image can cause a heap-based buffer overflow in ntfs_inode_lookup_by_name in NTFS-3G < 2021↗2021-09-07
▶
OSV
CVE-2021-39256: A crafted NTFS image can cause a heap-based buffer overflow in ntfs_inode_lookup_by_name in NTFS-3G < 2021↗2021-09-07
▶

📋Vendor Advisories

3
Microsoft
A crafted NTFS image can cause a heap-based buffer overflow in ntfs_inode_lookup_by_name in NTFS-3G < 2021.8.22.↗2021-09-14
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Red Hat
ntfs-3g: Heap buffer overflow in ntfs_inode_lookup_by_name()↗2021-08-30
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Debian
CVE-2021-39256: ntfs-3g - A crafted NTFS image can cause a heap-based buffer overflow in ntfs_inode_lookup...↗2021
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CVE-2021-39256 — Out-of-bounds Write in Tuxera Ntfs-3g | cvebase