Vulnerability-Lookup

CNVD-2020-04551

Vulnerability from cnvd - Published: 2020-02-11

Title

FreeBSD libfetch缓冲区溢出漏洞

Description

FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD libfetch存在缓冲区溢出漏洞。攻击者可利用该漏洞使用用户名和/或密码组件指定URL，从而使libfetch(3)缓冲区溢出。

Severity

中

Patch Name

FreeBSD libfetch缓冲区溢出漏洞的补丁

Patch Description

FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD libfetch存在缓冲区溢出漏洞。攻击者可利用该漏洞使用用户名和/或密码组件指定URL，从而使libfetch(3)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

用户可联系供应商获得补丁信息： https://security.FreeBSD.org/

Reference

https://seclists.org/bugtraq/2020/Jan/48

Impacted products

Name
FreeBSD libfetch

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-7450"
    }
  },
  "description": "FreeBSD\u662fFreeBSD\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nFreeBSD libfetch\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u7528\u6237\u540d\u548c/\u6216\u5bc6\u7801\u7ec4\u4ef6\u6307\u5b9aURL\uff0c\u4ece\u800c\u4f7flibfetch(3)\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://security.FreeBSD.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-04551",
  "openTime": "2020-02-11",
  "patchDescription": "FreeBSD\u662fFreeBSD\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nFreeBSD libfetch\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u7528\u6237\u540d\u548c/\u6216\u5bc6\u7801\u7ec4\u4ef6\u6307\u5b9aURL\uff0c\u4ece\u800c\u4f7flibfetch(3)\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": "FreeBSD libfetch\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FreeBSD libfetch"
  },
  "referenceLink": "https://seclists.org/bugtraq/2020/Jan/48",
  "serverity": "\u4e2d",
  "submitTime": "2020-02-06",
  "title": "FreeBSD libfetch\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-7450 (GCVE-0-2020-7450)

Vulnerability from cvelistv5 – Published: 2020-02-18 15:26 – Updated: 2024-08-04 09:25

Summary

In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution.

Severity

No CVSS data available.

CWE

Heap-based buffer overflow

Assigner

freebsd mitre root Scorecard

References

1 reference

URL	Tags
https://security.FreeBSD.org/advisories/FreeBSD-S…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	FreeBSD	Affected: 12.1-STABLE before r357213 Affected: 12.1-RELEASE before 12.1-RELEASE-p2 Affected: 12.0-RELEASE before 12.0-RELEASE-p13 Affected: 11.3-STABLE before r357214 Affected: 11.3-RELEASE before 11.3-RELEASE-p6

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:25:49.035Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.asc"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FreeBSD",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "12.1-STABLE before r357213"
            },
            {
              "status": "affected",
              "version": "12.1-RELEASE before 12.1-RELEASE-p2"
            },
            {
              "status": "affected",
              "version": "12.0-RELEASE before 12.0-RELEASE-p13"
            },
            {
              "status": "affected",
              "version": "11.3-STABLE before r357214"
            },
            {
              "status": "affected",
              "version": "11.3-RELEASE before 11.3-RELEASE-p6"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Heap-based buffer overflow",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-02-18T15:26:42.000Z",
        "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
        "shortName": "freebsd"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.asc"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secteam@freebsd.org",
          "ID": "CVE-2020-7450",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "FreeBSD",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "12.1-STABLE before r357213"
                          },
                          {
                            "version_value": "12.1-RELEASE before 12.1-RELEASE-p2"
                          },
                          {
                            "version_value": "12.0-RELEASE before 12.0-RELEASE-p13"
                          },
                          {
                            "version_value": "11.3-STABLE before r357214"
                          },
                          {
                            "version_value": "11.3-RELEASE before 11.3-RELEASE-p6"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
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          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Heap-based buffer overflow"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.asc",
              "refsource": "MISC",
              "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:01.libfetch.asc"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
    "assignerShortName": "freebsd",
    "cveId": "CVE-2020-7450",
    "datePublished": "2020-02-18T15:26:42.000Z",
    "dateReserved": "2020-01-21T00:00:00.000Z",
    "dateUpdated": "2024-08-04T09:25:49.035Z",
    "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.

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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-2020-04551

CVE-2020-7450 (GCVE-0-2020-7450)

Tags

Sightings

Nomenclature

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