Vulnerability-Lookup

CNVD-2022-05074

Vulnerability from cnvd - Published: 2022-01-19

Title

Vim缓冲区溢出漏洞（CNVD-2022-05074）

Description

Vim是一款基于UNIX平台的编辑器。 Vim存在缓冲区溢出漏洞，该漏洞源于vim软件中使用retab的值较大时内存访问无效，攻击者可利用该漏洞导致堆缓冲区溢出。

Severity

中

Patch Name

Vim缓冲区溢出漏洞（CNVD-2022-05074）的补丁

Patch Description

Vim是一款基于UNIX平台的编辑器。 Vim存在缓冲区溢出漏洞，该漏洞源于vim软件中使用retab的值较大时内存访问无效，攻击者可利用该漏洞导致堆缓冲区溢出。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-3770

Impacted products

Name
Vim Vim

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3770",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3770"
    }
  },
  "description": "Vim\u662f\u4e00\u6b3e\u57fa\u4e8eUNIX\u5e73\u53f0\u7684\u7f16\u8f91\u5668\u3002\n\nVim\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8evim\u8f6f\u4ef6\u4e2d\u4f7f\u7528retab\u7684\u503c\u8f83\u5927\u65f6\u5185\u5b58\u8bbf\u95ee\u65e0\u6548\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-05074",
  "openTime": "2022-01-19",
  "patchDescription": "Vim\u662f\u4e00\u6b3e\u57fa\u4e8eUNIX\u5e73\u53f0\u7684\u7f16\u8f91\u5668\u3002\r\n\r\nVim\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8evim\u8f6f\u4ef6\u4e2d\u4f7f\u7528retab\u7684\u503c\u8f83\u5927\u65f6\u5185\u5b58\u8bbf\u95ee\u65e0\u6548\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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": "Vim\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-05074\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Vim Vim"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3770",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-07",
  "title": "Vim\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-05074\uff09"
}

CVE-2021-3770 (GCVE-0-2021-3770)

Vulnerability from cvelistv5 – Published: 2021-09-06 00:00 – Updated: 2024-08-03 17:09

Title

Heap-based Buffer Overflow in vim/vim

Summary

vim is vulnerable to Heap-based Buffer Overflow

Severity

8.6 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

@huntrdev

References

8 references

URL	Tags
https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8c…
https://github.com/vim/vim/commit/b7081e135a16091…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
http://www.openwall.com/lists/oss-security/2021/10/01/1	mailing-list
https://security.gentoo.org/glsa/202208-32	vendor-advisory
https://security.netapp.com/advisory/ntap-2022112…

Impacted products

1 product

Vendor	Product	Version
vim	vim/vim	Affected: unspecified , < 8.2.3403 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:08.768Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9"
          },
          {
            "name": "FEDORA-2021-5fa81a2b04",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/"
          },
          {
            "name": "FEDORA-2021-4a43cbe0b4",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4FFQARG3LGREPDZRI4C7ERQL3RJKEWQ/"
          },
          {
            "name": "FEDORA-2021-e982f972f2",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZFNTMVZCN4TRTTCAXRLVQ7H2P7FYAIZQ/"
          },
          {
            "name": "[oss-security] 20210930 3 new CVE\u0027s in vim",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/10/01/1"
          },
          {
            "name": "GLSA-202208-32",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202208-32"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20221124-0003/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "vim/vim",
          "vendor": "vim",
          "versions": [
            {
              "lessThan": "8.2.3403",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "vim is vulnerable to Heap-based Buffer Overflow"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122 Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-24T00:00:00.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "url": "https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365"
        },
        {
          "url": "https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9"
        },
        {
          "name": "FEDORA-2021-5fa81a2b04",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/"
        },
        {
          "name": "FEDORA-2021-4a43cbe0b4",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4FFQARG3LGREPDZRI4C7ERQL3RJKEWQ/"
        },
        {
          "name": "FEDORA-2021-e982f972f2",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZFNTMVZCN4TRTTCAXRLVQ7H2P7FYAIZQ/"
        },
        {
          "name": "[oss-security] 20210930 3 new CVE\u0027s in vim",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/10/01/1"
        },
        {
          "name": "GLSA-202208-32",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202208-32"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20221124-0003/"
        }
      ],
      "source": {
        "advisory": "016ad2f2-07c1-4d14-a8ce-6eed10729365",
        "discovery": "EXTERNAL"
      },
      "title": "Heap-based Buffer Overflow in vim/vim"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2021-3770",
    "datePublished": "2021-09-06T00:00:00.000Z",
    "dateReserved": "2021-09-05T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:09:08.768Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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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.

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.

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CNVD-2022-05074

CVE-2021-3770 (GCVE-0-2021-3770)

Tags

Sightings

Nomenclature

Related by attack behaviour