CVE-2021-46790: ntfsck in NTFS-3G through 2021.8.22 has a heap-based buffer overflow involving buffer+512*3-2

High severity · published May 2, 2022

CVE-2021-46790

ntfsck in NTFS-3G through 2021.8.22 has a heap-based buffer overflow involving buffer+512*3-2

7.8

CVSS

0.5%

EPSS

On KEV

Description

ntfsck in NTFS-3G through 2021.8.22 has a heap-based buffer overflow involving buffer+512*3-2. NOTE: the upstream position is that ntfsck is deprecated; however, it is shipped by some Linux distributions.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.5% · higher than 43% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

10.0; 11.0 · source: NVD

Fedora · Fedoraproject

35; 36 · source: NVD

Ntfs-3g · Tuxera

through 2021.8.22 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-46790

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-46790

Mailing List

http://www.openwall.com/lists/oss-security/2022/05/26/1

Exploit

https://github.com/tuxera/ntfs-3g/issues/16

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7JPX6OUCQKZX4PN5DQPVDUFZCOOZUX7Z/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ECDCISL24TYH4CTDFCUVF24WAKRSYF7F/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FAXFYIJWT5SHHRNPOJETM77EIMJ6ZP6I/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEXHDCUSLJD2HSPMAAVZ5AWMPUOG6UI7/