CVE-2023-5368

msdosfs data disclosure

Published Oct 4, 2023 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
On an msdosfs filesystem, the 'truncate' or 'ftruncate' system calls under certain circumstances populate the additional space in the file with unallocated data from the underlying disk device, rather than zero bytes.

This may permit a user with write access to files on a msdosfs filesystem to read unintended data (e.g. from a previously deleted file).

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2023-57684 On an msdosfs filesystem, the 'truncate' or 'ftruncate' system calls under certain circumstances populate the additional space in the file with unallocated data from the underlying disk device, rather than zero bytes. This may permit a user with write access to files on a msdosfs filesystem to read unintended data (e.g. from a previously deleted file).
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
freebsd
Published
Updated
Aug 2, 2024, 7:59 AM
Reserved
Oct 3, 2023, 9:14 PM
Status
Modified
Published
Oct 4, 2023, 4:15 AM
Modified
Jun 17, 2026, 6:48 AM