Vulnerability-Lookup

CNVD-2017-03446

Vulnerability from cnvd - Published: 2017-03-27

Title

Git任意代码执行漏洞（CNVD-2017-03446）

Description

Git是美国软件开发者林纳斯-托瓦兹（Linus Torvalds）所研发的一套免费、开源的分布式版本控制系统。 Git 1.9.3之前的版本中的contrib/completion/git-prompt.sh文件中存在安全漏洞，该漏洞源于程序未能过滤PS1变量中的branch名称字段。攻击者可利用该漏洞执行代码。

Severity

中

Patch Name

Git任意代码执行漏洞（CNVD-2017-03446）的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f

Reference

https://github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9938

Impacted products

Name
GIT GIT <1.9.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9938",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9938"
    }
  },
  "description": "Git\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005\u6797\u7eb3\u65af-\u6258\u74e6\u5179\uff08Linus Torvalds\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u3002\r\n\r\nGit 1.9.3\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684contrib/completion/git-prompt.sh\u6587\u4ef6\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u8fc7\u6ee4PS1\u53d8\u91cf\u4e2d\u7684branch\u540d\u79f0\u5b57\u6bb5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-03446",
  "openTime": "2017-03-27",
  "patchDescription": "Git\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005\u6797\u7eb3\u65af-\u6258\u74e6\u5179\uff08Linus Torvalds\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u3002\r\n\r\nGit 1.9.3\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684contrib/completion/git-prompt.sh\u6587\u4ef6\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u8fc7\u6ee4PS1\u53d8\u91cf\u4e2d\u7684branch\u540d\u79f0\u5b57\u6bb5\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": "Git\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2017-03446\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "GIT GIT \u003c1.9.3"
  },
  "referenceLink": "https://github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9938",
  "serverity": "\u4e2d",
  "submitTime": "2017-03-21",
  "title": "Git\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2017-03446\uff09"
}

CVE-2014-9938 (GCVE-0-2014-9938)

Vulnerability from cvelistv5 – Published: 2017-03-20 00:00 – Updated: 2024-08-06 14:02

Summary

contrib/completion/git-prompt.sh in Git before 1.9.3 does not sanitize branch names in the PS1 variable, allowing a malicious repository to cause code execution.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/njhartwell/pw3nage	x_refsource_MISC
https://github.com/git/git/commit/8976500cbbb1327…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:2004	vendor-advisoryx_refsource_REDHAT

Date Public

2017-03-19 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T14:02:37.321Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/njhartwell/pw3nage"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f"
          },
          {
            "name": "RHSA-2017:2004",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:2004"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-03-19T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "contrib/completion/git-prompt.sh in Git before 1.9.3 does not sanitize branch names in the PS1 variable, allowing a malicious repository to cause code execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-01-04T19:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/njhartwell/pw3nage"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f"
        },
        {
          "name": "RHSA-2017:2004",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:2004"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2014-9938",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "contrib/completion/git-prompt.sh in Git before 1.9.3 does not sanitize branch names in the PS1 variable, allowing a malicious repository to cause code execution."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/njhartwell/pw3nage",
              "refsource": "MISC",
              "url": "https://github.com/njhartwell/pw3nage"
            },
            {
              "name": "https://github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f",
              "refsource": "CONFIRM",
              "url": "https://github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f"
            },
            {
              "name": "RHSA-2017:2004",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2017:2004"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2014-9938",
    "datePublished": "2017-03-20T00:00:00.000Z",
    "dateReserved": "2017-03-19T00:00:00.000Z",
    "dateUpdated": "2024-08-06T14:02:37.321Z",
    "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-2017-03446

CVE-2014-9938 (GCVE-0-2014-9938)

Tags

Sightings

Nomenclature

Related by attack behaviour