Vulnerability-Lookup

CNVD-2021-72264

Vulnerability from cnvd - Published: 2021-09-22

Title

Tuxera NTFS-3G整数溢出漏洞

Description

NTFS-3G是为Linux、Android、Mac OS X、FreeBSD、NetBSD、OpenSolaris、QNX、Haiku及其他操作系统提供的一个稳定、功能齐全、读写NTFS的驱动程序。 NTFS-3G 2021.8.22之前版本中的memmove存在整数溢出漏洞。攻击者可通过特制NTFS镜像利用该漏洞导致ntfs_attr_record_resize函数发生堆缓冲区溢出。

Severity

中

Patch Name

Tuxera NTFS-3G整数溢出漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/tuxera/ntfs-3g/releases

Reference

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

Impacted products

Name
Tuxera NTFS-3G <2021.8.22

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-39254",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-39254"
    }
  },
  "description": "NTFS-3G\u662f\u4e3aLinux\u3001Android\u3001Mac OS X\u3001FreeBSD\u3001NetBSD\u3001OpenSolaris\u3001QNX\u3001Haiku\u53ca\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u4e00\u4e2a\u7a33\u5b9a\u3001\u529f\u80fd\u9f50\u5168\u3001\u8bfb\u5199NTFS\u7684\u9a71\u52a8\u7a0b\u5e8f\u3002\n\nNTFS-3G 2021.8.22\u4e4b\u524d\u7248\u672c\u4e2d\u7684memmove\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236NTFS\u955c\u50cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4ntfs_attr_record_resize\u51fd\u6570\u53d1\u751f\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/tuxera/ntfs-3g/releases",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-72264",
  "openTime": "2021-09-22",
  "patchDescription": "NTFS-3G\u662f\u4e3aLinux\u3001Android\u3001Mac OS X\u3001FreeBSD\u3001NetBSD\u3001OpenSolaris\u3001QNX\u3001Haiku\u53ca\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u4e00\u4e2a\u7a33\u5b9a\u3001\u529f\u80fd\u9f50\u5168\u3001\u8bfb\u5199NTFS\u7684\u9a71\u52a8\u7a0b\u5e8f\u3002\r\n\r\nNTFS-3G 2021.8.22\u4e4b\u524d\u7248\u672c\u4e2d\u7684memmove\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236NTFS\u955c\u50cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4ntfs_attr_record_resize\u51fd\u6570\u53d1\u751f\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Tuxera NTFS-3G\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Tuxera NTFS-3G \u003c2021.8.22"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-39254",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-08",
  "title": "Tuxera NTFS-3G\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-39254 (GCVE-0-2021-39254)

Vulnerability from cvelistv5 – Published: 2021-09-07 00:00 – Updated: 2025-12-02 21:21

Summary

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

6.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-02 21:21 UTC

CWE

n/a
CWE-20 - Improper Input Validation
CWE-190 - Integer Overflow or Wraparound

Assigner

mitre mitre root

References

7 references

URL	Tags
https://github.com/tuxera/ntfs-3g/releases
https://github.com/tuxera/ntfs-3g/security/adviso…
https://www.debian.org/security/2021/dsa-4971	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.debian.org/debian-lts-announce/2021…	mailing-list
https://security.gentoo.org/glsa/202301-01	vendor-advisory

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:06:40.953Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "url": "https://github.com/tuxera/ntfs-3g/releases"
          },
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            "url": "https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp"
          },
          {
            "name": "DSA-4971",
            "tags": [
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            "url": "https://www.debian.org/security/2021/dsa-4971"
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          },
          {
            "name": "[debian-lts-announce] 20211116 [SECURITY] [DLA 2819-1] ntfs-3g security update",
            "tags": [
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        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 6.7,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
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                "options": [
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                  {
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                  {
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                "role": "CISA Coordinator",
                "timestamp": "2025-12-02T21:21:55.260460Z",
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        "providerMetadata": {
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        },
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          "name": "DSA-4971",
          "tags": [
            "vendor-advisory"
          ],
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        },
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          "name": "FEDORA-2021-e7c8ba6301",
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        },
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        },
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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