cnvd - cnvd-2018-20567

cnvd-2018-20567

Vulnerability from cnvd

Title: libgit2拒绝服务漏洞（CNVD-2018-20567）

Description:

libgit2是一个可移植、使用C语言实现的Git核心开发包。

libgit2 0.27.3之前版本中存在安全漏洞，该漏洞源于delta.c文件的‘git_delta_apply’函数缺少安全检测。攻击者可利用该漏洞造成拒绝服务（越界读取）。

Severity: 中

Patch Name: libgit2拒绝服务漏洞（CNVD-2018-20567）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 0.27.3之前版本中存在安全漏洞，该漏洞源于delta.c文件的‘git_delta_apply’函数缺少安全检测。攻击者可利用该漏洞造成拒绝服务（越界读取）。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/libgit2/libgit2/releases/tag/v0.27.3

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1598024 https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3 https://github.com/libgit2/libgit2/releases/tag/v0.27.3

Impacted products

Name
libgit2 libgit2 <0.27.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-10888"
    }
  },
  "description": "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 0.27.3\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edelta.c\u6587\u4ef6\u7684\u2018git_delta_apply\u2019\u51fd\u6570\u7f3a\u5c11\u5b89\u5168\u68c0\u6d4b\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u754c\u8bfb\u53d6\uff09\u3002",
  "discovererName": "Riccardo Schirone",
  "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/libgit2/libgit2/releases/tag/v0.27.3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20567",
  "openTime": "2018-10-11",
  "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 0.27.3\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edelta.c\u6587\u4ef6\u7684\u2018git_delta_apply\u2019\u51fd\u6570\u7f3a\u5c11\u5b89\u5168\u68c0\u6d4b\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u754c\u8bfb\u53d6\uff09\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-20567\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "libgit2 libgit2 \u003c0.27.3"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1598024\r\nhttps://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3\r\nhttps://github.com/libgit2/libgit2/releases/tag/v0.27.3",
  "serverity": "\u4e2d",
  "submitTime": "2018-07-12",
  "title": "libgit2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-20567\uff09"
}

CVE-2018-10888 (GCVE-0-2018-10888)

Vulnerability from cvelistv5

Published

2018-07-10 14:00

Modified

2024-09-16 16:18

Severity ?

CWE

CWE-20 - ->CWE-125

Summary

A flaw was found in libgit2 before version 0.27.3. A missing check in git_delta_apply function in delta.c file, may lead to an out-of-bound read while reading a binary delta file. An attacker may use this flaw to cause a Denial of Service.

References

▼	URL	Tags
	https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html	mailing-list, x_refsource_MLIST
	https://github.com/libgit2/libgit2/releases/tag/v0.27.3	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=1598024	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	libgit2	libgit2	Version: before version 0.27.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T07:54:34.822Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3"
          },
          {
            "name": "[debian-lts-announce] 20180825 [SECURITY] [DLA 1477-1] libgit2 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/libgit2/libgit2/releases/tag/v0.27.3"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1598024"
          },
          {
            "name": "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libgit2",
          "vendor": "libgit2",
          "versions": [
            {
              "status": "affected",
              "version": "before version 0.27.3"
            }
          ]
        }
      ],
      "datePublic": "2018-07-09T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in libgit2 before version 0.27.3. A missing check in git_delta_apply function in delta.c file, may lead to an out-of-bound read while reading a binary delta file. An attacker may use this flaw to cause a Denial of Service."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20-\u003eCWE-125",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-03-21T02:06:08",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3"
        },
        {
          "name": "[debian-lts-announce] 20180825 [SECURITY] [DLA 1477-1] libgit2 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/libgit2/libgit2/releases/tag/v0.27.3"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1598024"
        },
        {
          "name": "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "DATE_PUBLIC": "2018-07-09T00:00:00",
          "ID": "CVE-2018-10888",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "libgit2",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "before version 0.27.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "libgit2"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A flaw was found in libgit2 before version 0.27.3. A missing check in git_delta_apply function in delta.c file, may lead to an out-of-bound read while reading a binary delta file. An attacker may use this flaw to cause a Denial of Service."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20-\u003eCWE-125"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3",
              "refsource": "CONFIRM",
              "url": "https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3"
            },
            {
              "name": "[debian-lts-announce] 20180825 [SECURITY] [DLA 1477-1] libgit2 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html"
            },
            {
              "name": "https://github.com/libgit2/libgit2/releases/tag/v0.27.3",
              "refsource": "CONFIRM",
              "url": "https://github.com/libgit2/libgit2/releases/tag/v0.27.3"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1598024",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1598024"
            },
            {
              "name": "[debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-10888",
    "datePublished": "2018-07-10T14:00:00Z",
    "dateReserved": "2018-05-09T00:00:00",
    "dateUpdated": "2024-09-16T16:18:17.644Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted