cnvd - cnvd-2020-32884

CNVD-2020-32884

Vulnerability from cnvd - Published: 2020-06-13

Title

libgit2输入验证错误漏洞（CNVD-2020-32884）

Description

libgit2是一个可移植、使用C语言实现的Git核心开发包。 libgit2 0.28.4之前版本和0.99.0之前的0.9x版本中存在安全漏洞。攻击者可利用该漏洞执行代码。

Severity

高

Patch Name

libgit2输入验证错误漏洞（CNVD-2020-32884）的补丁

Patch Description

libgit2是一个可移植、使用C语言实现的Git核心开发包。 libgit2 0.28.4之前版本和0.99.0之前的0.9x版本中存在安全漏洞。攻击者可利用该漏洞执行代码。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/git/git/security/advisories/GHSA-5wph-8frv-58vj

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-12278

Impacted products

Name
['libgit2 libgit2 <0.28.4', 'libgit2 libgit2 0.9*，<0.99.0']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-12278"
    }
  },
  "description": "libgit2\u662f\u4e00\u4e2a\u53ef\u79fb\u690d\u3001\u4f7f\u7528C\u8bed\u8a00\u5b9e\u73b0\u7684Git\u6838\u5fc3\u5f00\u53d1\u5305\u3002\n\nlibgit2 0.28.4\u4e4b\u524d\u7248\u672c\u548c0.99.0\u4e4b\u524d\u76840.9x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\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/git/git/security/advisories/GHSA-5wph-8frv-58vj",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-32884",
  "openTime": "2020-06-13",
  "patchDescription": "libgit2\u662f\u4e00\u4e2a\u53ef\u79fb\u690d\u3001\u4f7f\u7528C\u8bed\u8a00\u5b9e\u73b0\u7684Git\u6838\u5fc3\u5f00\u53d1\u5305\u3002\r\n\r\nlibgit2 0.28.4\u4e4b\u524d\u7248\u672c\u548c0.99.0\u4e4b\u524d\u76840.9x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\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": "libgit2\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-32884\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "libgit2 libgit2 \u003c0.28.4",
      "libgit2 libgit2 0.9*\uff0c\u003c0.99.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-12278",
  "serverity": "\u9ad8",
  "submitTime": "2020-04-28",
  "title": "libgit2\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-32884\uff09"
}

CVE-2020-12278 (GCVE-0-2020-12278)

Vulnerability from cvelistv5 – Published: 2020-04-27 00:00 – Updated: 2024-08-04 11:48

Summary

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/git/git/security/advisories/GH…
	https://github.com/libgit2/libgit2/releases/tag/v0.99.0
	https://github.com/libgit2/libgit2/releases/tag/v0.28.4
	https://github.com/libgit2/libgit2/commit/3f7851e…
	https://github.com/libgit2/libgit2/commit/e1832eb…
	https://lists.debian.org/debian-lts-announce/2022…	mailing-list
	https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T11:48:58.550Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/libgit2/libgit2/releases/tag/v0.99.0"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/libgit2/libgit2/releases/tag/v0.28.4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed01"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300cb"
          },
          {
            "name": "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html"
          },
          {
            "name": "[debian-lts-announce] 20230223 [SECURITY] [DLA 3340-1] libgit2 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-23T00:00:00",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj"
        },
        {
          "url": "https://github.com/libgit2/libgit2/releases/tag/v0.99.0"
        },
        {
          "url": "https://github.com/libgit2/libgit2/releases/tag/v0.28.4"
        },
        {
          "url": "https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed01"
        },
        {
          "url": "https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300cb"
        },
        {
          "name": "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html"
        },
        {
          "name": "[debian-lts-announce] 20230223 [SECURITY] [DLA 3340-1] libgit2 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-12278",
    "datePublished": "2020-04-27T00:00:00",
    "dateReserved": "2020-04-27T00:00:00",
    "dateUpdated": "2024-08-04T11:48:58.550Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2020-32884

CVE-2020-12278 (GCVE-0-2020-12278)

Tags

Sightings

Nomenclature