Buffer overflow in Tuxera Ntfs-3g
CVE-2021-33286
In NTFS-3G versions < 2021.8.22, when a specially crafted unicode string is supplied in an NTFS image a heap buffer overflow can occur and allow for code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Tuxera Ntfs-3g
- Debian Linux — versions 9.0, 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Product, Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/08/30/1 (mailing-list, Mailing List, Third Party Advisory)
- github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp (Third Party Advisory)
- www.debian.org/security/2021/dsa-4971 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/11/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202301-01 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33286?
- CVE-2021-33286 is a high-severity vulnerability in Tuxera Ntfs-3g, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-09-07.
- How severe is CVE-2021-33286?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-33286 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.