CVE-2021-33287: Buffer Overflow
First published: Mon Aug 30 2021(Updated: )
In NTFS-3G versions < 2021.8.22, when specially crafted NTFS attributes are read in the function ntfs_attr_pread_i, a heap buffer overflow can occur and allow for writing to arbitrary memory or denial of service of the application.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ntfs3g | <2021.8.22 | 2021.8.22 |
| debian/ntfs-3g | 1:2017.3.23AR.3-4+deb11u3 1:2022.10.3-1 1:2022.10.3-3 | |
| ntfs-3g | <2021.8.22 | |
| Debian | =9.0 | |
| Debian | =10.0 | |
| Debian | =11.0 | |
| Fedora | =33 | |
| Fedora | =35 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-33287 https://nvd.nist.gov/vuln/detail/CVE-2021-33287 https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp
- https://bugzilla.redhat.com/show_bug.cgi?id=2001613
- https://access.redhat.com/errata/RHSA-2021:3704
- https://access.redhat.com/errata/RHSA-2021:3703
- https://access.redhat.com/errata/RHSA-2022:1759
- https://access.redhat.com/security/cve/CVE-2021-33287
- https://www.openwall.com/lists/oss-security/2021/08/30/1
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp
- https://security-tracker.debian.org/tracker/CVE-2021-33287
- http://ntfs-3g.com
- http://tuxera.com
- http://www.openwall.com/lists/oss-security/2021/08/30/1
- https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
- https://security.gentoo.org/glsa/202301-01
- https://www.debian.org/security/2021/dsa-4971
- https://github.com/tuxera/ntfs-3g
- https://access.redhat.com/security/cve/CVE-2021-33285
- https://access.redhat.com/security/cve/CVE-2021-35269
- https://access.redhat.com/security/cve/CVE-2021-35268
- https://access.redhat.com/security/cve/CVE-2021-33289
- https://access.redhat.com/security/cve/CVE-2021-33286
- https://access.redhat.com/security/cve/CVE-2021-35266
- https://access.redhat.com/security/cve/CVE-2021-35267
- https://access.redhat.com/security/cve/CVE-2021-39251
- https://access.redhat.com/security/cve/CVE-2021-39252
- https://access.redhat.com/security/cve/CVE-2021-39253
- https://access.redhat.com/security/cve/CVE-2021-39254
- https://access.redhat.com/security/cve/CVE-2021-39255
- https://access.redhat.com/security/cve/CVE-2021-39256
- https://access.redhat.com/security/cve/CVE-2021-39257
- https://access.redhat.com/security/cve/CVE-2021-39258
- https://access.redhat.com/security/cve/CVE-2021-39259
- https://access.redhat.com/security/cve/CVE-2021-39260
- https://access.redhat.com/security/cve/CVE-2021-39261
- https://access.redhat.com/security/cve/CVE-2021-39262
- https://access.redhat.com/security/cve/CVE-2021-39263
- https://github.com/tuxera/ntfs-3g/commits/2021.8.22
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2004521
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2004520
- https://access.redhat.com/security/cve/cve-2021-33287
- 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/
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2021-33287?
CVE-2021-33287 has a severity rating of 'high' due to the potential for heap buffer overflow that can lead to arbitrary memory writes or denial of service.
How do I fix CVE-2021-33287?
To fix CVE-2021-33287, upgrade NTFS-3G to version 2021.8.22 or later.
Which software versions are affected by CVE-2021-33287?
CVE-2021-33287 affects all NTFS-3G versions prior to 2021.8.22.
What type of vulnerability is CVE-2021-33287?
CVE-2021-33287 is a heap buffer overflow vulnerability that occurs when reading specially crafted NTFS attributes.
Can CVE-2021-33287 lead to data loss?
Yes, CVE-2021-33287 can potentially lead to data loss or corruption due to arbitrary memory writes.
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