DEBIAN-CVE-2021-33285

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Source
https://security-tracker.debian.org/tracker/CVE-2021-33285
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-33285.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-33285
Upstream
Published
2021-09-07T14:15:11Z
Modified
2025-09-25T23:25:18.227156Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In NTFS-3G versions < 2021.8.22, when a specially crafted NTFS attribute is supplied to the function ntfsgetattributevalue, a heap buffer overflow can occur allowing for memory disclosure or denial of service. The vulnerability is caused by an out-of-bound buffer access which can be triggered by mounting a crafted ntfs partition. The root cause is a missing consistency check after reading an MFT record : the "bytesinuse" field should be less than the "bytesallocated" field. When it is not, the parsing of the records proceeds into the wild.

References

Affected packages

Debian:11 / ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/debian/ntfs-3g?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2017.3.23AR.3-4+deb11u1

Affected versions

1:2017.*

1:2017.3.23AR.3-4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/debian/ntfs-3g?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2021.8.22-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/debian/ntfs-3g?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2021.8.22-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / ntfs-3g

Package

Name
ntfs-3g
Purl
pkg:deb/debian/ntfs-3g?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2021.8.22-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}