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CVE-2021-39254

Date: September 6, 2021

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.

Severity Score

7.8

Related Resources (14)

Url: https://access.redhat.com/security/cve/CVE-2021-39254

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-39254

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/

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

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

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/

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

Url: https://security-tracker.debian.org/tracker/CVE-2021-39254

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39254

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/

Url: https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html

Url: https://security.gentoo.org/glsa/202301-01

Url: https://www.mend.io/vulnerability-database/CVE-2021-39254

Severity Score

7.8

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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