Buffer overflow in Tuxera Ntfs-3g
CVE-2021-46790
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.
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 (40.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.7% 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 10.0, 11.0
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
References
- github.com/tuxera/ntfs-3g/issues/16 (Exploit, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/05/26/1 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5160 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-46790?
- CVE-2021-46790 is a high-severity vulnerability in Tuxera Ntfs-3g, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-05-02.
- How severe is CVE-2021-46790?
- High severity. CVSS v3 base score is 7.8 out of 10.