MEDIUM · 5.5

CVE-2021-39257

A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G < 2021.8.22.

Vulnerability Description

A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G < 2021.8.22.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
TuxeraNtfs-3G< 2021.8.22
DebianDebian Linux9.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-39257?

CVE-2021-39257 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G < 2021.8.22.

How severe is CVE-2021-39257?

CVE-2021-39257 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39257?

Check the references section above for vendor advisories and patch information. Affected products include: Tuxera Ntfs-3G, Debian Debian Linux.