VulnerabilityModified
CVE-2021-39254
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.
HIGH 7.8EPSS 0.44%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190, CWE-20
- Affected
- tuxera/ntfs-3g · debian/debian linux · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://github.com/tuxera/ntfs-3g/releasesRelease Notes, Third Party Advisory
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jpThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00013.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
- https://security.gentoo.org/glsa/202301-01Third Party Advisory
- https://www.debian.org/security/2021/dsa-4971Third Party Advisory
- https://github.com/tuxera/ntfs-3g/releasesRelease Notes, Third Party Advisory
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jpThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00013.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
- https://security.gentoo.org/glsa/202301-01Third Party Advisory
- https://www.debian.org/security/2021/dsa-4971Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.