Vulnerability-Lookup

CNVD-2021-91282

Vulnerability from cnvd - Published: 2021-11-25

Title

Vim缓冲区溢出漏洞（CNVD-2021-91282）

Description

Vim是一款基于UNIX平台的编辑器。 Vim中存在缓冲区溢出漏洞，该漏洞源于产品未能正确判断内存边界。攻击者可通过该漏洞导致缓冲区溢出。

Severity

高

Patch Name

Vim缓冲区溢出漏洞（CNVD-2021-91282）的补丁

Patch Description

Vim是一款基于UNIX平台的编辑器。 Vim中存在缓冲区溢出漏洞，该漏洞源于产品未能正确判断内存边界。攻击者可通过该漏洞导致缓冲区溢出。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/vim/vim

Reference

https://github.com/vim/vim

Impacted products

Name
Vim Vim <8.2.3610

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3968",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3968"
    }
  },
  "description": "Vim\u662f\u4e00\u6b3e\u57fa\u4e8eUNIX\u5e73\u53f0\u7684\u7f16\u8f91\u5668\u3002\n\nVim\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u672a\u80fd\u6b63\u786e\u5224\u65ad\u5185\u5b58\u8fb9\u754c\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/vim/vim",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-91282",
  "openTime": "2021-11-25",
  "patchDescription": "Vim\u662f\u4e00\u6b3e\u57fa\u4e8eUNIX\u5e73\u53f0\u7684\u7f16\u8f91\u5668\u3002\r\n\r\nVim\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u672a\u80fd\u6b63\u786e\u5224\u65ad\u5185\u5b58\u8fb9\u754c\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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-2021-91282\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Vim Vim \u003c8.2.3610"
  },
  "referenceLink": "https://github.com/vim/vim",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-23",
  "title": "Vim\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-91282\uff09"
}

CVE-2021-3968 (GCVE-0-2021-3968)

Vulnerability from cvelistv5 – Published: 2021-11-19 11:40 – 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 (High)


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

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

@huntrdev

References

6 references

URL	Tags
https://huntr.dev/bounties/00d62924-a7b4-4a61-ba2…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/a062006b9de0b29…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2022/01/15/1	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202208-32	vendor-advisoryx_refsource_GENTOO

Impacted products

1 product

Vendor	Product	Version
vim	vim/vim	Affected: unspecified , < 8.2.3610 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:09.784Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/00d62924-a7b4-4a61-ba29-acab2eaa1528"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/vim/vim/commit/a062006b9de0b2947ab5fb376c6e67ef92a8cd69"
          },
          {
            "name": "FEDORA-2021-5cd9df120e",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/"
          },
          {
            "name": "FEDORA-2021-b0ac29efb1",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/"
          },
          {
            "name": "[oss-security] 20220114 Re: 3 new CVE\u0027s in vim",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2022/01/15/1"
          },
          {
            "name": "GLSA-202208-32",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202208-32"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "vim/vim",
          "vendor": "vim",
          "versions": [
            {
              "lessThan": "8.2.3610",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "vim is vulnerable to Heap-based Buffer Overflow"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/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": "2022-08-21T05:09:19.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/00d62924-a7b4-4a61-ba29-acab2eaa1528"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/vim/vim/commit/a062006b9de0b2947ab5fb376c6e67ef92a8cd69"
        },
        {
          "name": "FEDORA-2021-5cd9df120e",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/"
        },
        {
          "name": "FEDORA-2021-b0ac29efb1",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/"
        },
        {
          "name": "[oss-security] 20220114 Re: 3 new CVE\u0027s in vim",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2022/01/15/1"
        },
        {
          "name": "GLSA-202208-32",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202208-32"
        }
      ],
      "source": {
        "advisory": "00d62924-a7b4-4a61-ba29-acab2eaa1528",
        "discovery": "EXTERNAL"
      },
      "title": "Heap-based Buffer Overflow in vim/vim",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-3968",
          "STATE": "PUBLIC",
          "TITLE": "Heap-based Buffer Overflow in vim/vim"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "vim/vim",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "8.2.3610"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "vim"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "vim is vulnerable to Heap-based Buffer Overflow"
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-122 Heap-based Buffer Overflow"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://huntr.dev/bounties/00d62924-a7b4-4a61-ba29-acab2eaa1528",
              "refsource": "CONFIRM",
              "url": "https://huntr.dev/bounties/00d62924-a7b4-4a61-ba29-acab2eaa1528"
            },
            {
              "name": "https://github.com/vim/vim/commit/a062006b9de0b2947ab5fb376c6e67ef92a8cd69",
              "refsource": "MISC",
              "url": "https://github.com/vim/vim/commit/a062006b9de0b2947ab5fb376c6e67ef92a8cd69"
            },
            {
              "name": "FEDORA-2021-5cd9df120e",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/"
            },
            {
              "name": "FEDORA-2021-b0ac29efb1",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/"
            },
            {
              "name": "[oss-security] 20220114 Re: 3 new CVE\u0027s in vim",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2022/01/15/1"
            },
            {
              "name": "GLSA-202208-32",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202208-32"
            }
          ]
        },
        "source": {
          "advisory": "00d62924-a7b4-4a61-ba29-acab2eaa1528",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2021-3968",
    "datePublished": "2021-11-19T11:40:12.000Z",
    "dateReserved": "2021-11-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:09:09.784Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2021-91282

CVE-2021-3968 (GCVE-0-2021-3968)

Tags

Sightings

Nomenclature

Related by attack behaviour