CVE-2021-39254

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

A crafted NTFS image can cause an integer overflow in memmove, leading to a heap-based buffer overflow in the function ntfs_attr_record_resize, in NTFS-3G < 2021.8.22.

References

https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp

https://github.com/tuxera/ntfs-3g/releases

https://www.debian.org/security/2021/dsa-4971

https://lists.fedoraproject.org/archives/list/[email protected]/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/

https://lists.fedoraproject.org/archives/list/[email protected]/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/

Details

Source: MITRE

Published: 2021-09-07

Updated: 2021-09-25

Type: CWE-190

Risk Information

CVSS v2

Base Score: 6.9

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Tenable Plugins

View all (4 total)

IDNameProductFamilySeverity
153804RHEL 8 : virt:8.2 and virt-devel:8.2 (RHSA-2021:3704)NessusRed Hat Local Security Checks
high
153803RHEL 8 : virt:av and virt-devel:av (RHSA-2021:3703)NessusRed Hat Local Security Checks
high
153182Debian DSA-4971-1 : ntfs-3g - security updateNessusDebian Local Security Checks
critical
152969Slackware Linux 14.2 / current ntfs-3g Multiple Vulnerabilities (SSA:2021-243-01)NessusSlackware Local Security Checks
high