Vulnerability-Lookup

CNVD-2020-22839

Vulnerability from cnvd - Published: 2020-04-15

Title

Shibboleth Service Provider权限提升漏洞

Description

Shibboleth是英国Shibboleth公司的一套基于Windows平台的开源的SAML协议的Web单点登录系统。Service Provider（SP）是其中的一个服务提供商组件，它主要用于拦截对受保护资源或应用程序入口点的访问、向选定的身份提供者发出SAML身份验证请求等。 Shibboleth SP 3.1.0之前的3.x版本中存在安全漏洞。攻击者可借助连接到/etc/shadow等文件的符号链接利用该漏洞将权限提升至root。

Severity

高

Patch Name

Shibboleth Service Provider权限提升漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://issues.shibboleth.net/jira/browse/SSPCPP-874

Reference

https://bugzilla.suse.com/show_bug.cgi?id=1157471

Impacted products

Name
Shibboleth Shibboleth Service Provider 3.*，<3.1.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-19191",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-19191"
    }
  },
  "description": "Shibboleth\u662f\u82f1\u56fdShibboleth\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eWindows\u5e73\u53f0\u7684\u5f00\u6e90\u7684SAML\u534f\u8bae\u7684Web\u5355\u70b9\u767b\u5f55\u7cfb\u7edf\u3002Service Provider\uff08SP\uff09\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u670d\u52a1\u63d0\u4f9b\u5546\u7ec4\u4ef6\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u62e6\u622a\u5bf9\u53d7\u4fdd\u62a4\u8d44\u6e90\u6216\u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u70b9\u7684\u8bbf\u95ee\u3001\u5411\u9009\u5b9a\u7684\u8eab\u4efd\u63d0\u4f9b\u8005\u53d1\u51faSAML\u8eab\u4efd\u9a8c\u8bc1\u8bf7\u6c42\u7b49\u3002\n\nShibboleth SP 3.1.0\u4e4b\u524d\u76843.x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8fde\u63a5\u5230/etc/shadow\u7b49\u6587\u4ef6\u7684\u7b26\u53f7\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u6743\u9650\u63d0\u5347\u81f3root\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://issues.shibboleth.net/jira/browse/SSPCPP-874",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-22839",
  "openTime": "2020-04-15",
  "patchDescription": "Shibboleth\u662f\u82f1\u56fdShibboleth\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eWindows\u5e73\u53f0\u7684\u5f00\u6e90\u7684SAML\u534f\u8bae\u7684Web\u5355\u70b9\u767b\u5f55\u7cfb\u7edf\u3002Service Provider\uff08SP\uff09\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u670d\u52a1\u63d0\u4f9b\u5546\u7ec4\u4ef6\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u62e6\u622a\u5bf9\u53d7\u4fdd\u62a4\u8d44\u6e90\u6216\u5e94\u7528\u7a0b\u5e8f\u5165\u53e3\u70b9\u7684\u8bbf\u95ee\u3001\u5411\u9009\u5b9a\u7684\u8eab\u4efd\u63d0\u4f9b\u8005\u53d1\u51faSAML\u8eab\u4efd\u9a8c\u8bc1\u8bf7\u6c42\u7b49\u3002\r\n\r\nShibboleth SP 3.1.0\u4e4b\u524d\u76843.x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8fde\u63a5\u5230/etc/shadow\u7b49\u6587\u4ef6\u7684\u7b26\u53f7\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u6743\u9650\u63d0\u5347\u81f3root\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": "Shibboleth Service Provider\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Shibboleth Shibboleth Service Provider 3.*\uff0c\u003c3.1.0"
  },
  "referenceLink": "https://bugzilla.suse.com/show_bug.cgi?id=1157471",
  "serverity": "\u9ad8",
  "submitTime": "2019-11-22",
  "title": "Shibboleth Service Provider\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2019-19191 (GCVE-0-2019-19191)

Vulnerability from cvelistv5 – Published: 2019-11-21 17:06 – Updated: 2024-08-05 02:09

Summary

Shibboleth Service Provider (SP) 3.x before 3.1.0 shipped a spec file that calls chown on files in a directory controlled by the service user (the shibd account) after installation. This allows the user to escalate to root by pointing symlinks to files such as /etc/shadow.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://issues.shibboleth.net/jira/browse/SSPCPP-874	x_refsource_MISC
https://bugzilla.suse.com/show_bug.cgi?id=1157471	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:09:39.337Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-874"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1157471"
          },
          {
            "name": "openSUSE-SU-2020:0020",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00017.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Shibboleth Service Provider (SP) 3.x before 3.1.0 shipped a spec file that calls chown on files in a directory controlled by the service user (the shibd account) after installation. This allows the user to escalate to root by pointing symlinks to files such as /etc/shadow."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-14T00:06:16.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-874"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.suse.com/show_bug.cgi?id=1157471"
        },
        {
          "name": "openSUSE-SU-2020:0020",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00017.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-19191",
          "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": "Shibboleth Service Provider (SP) 3.x before 3.1.0 shipped a spec file that calls chown on files in a directory controlled by the service user (the shibd account) after installation. This allows the user to escalate to root by pointing symlinks to files such as /etc/shadow."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://issues.shibboleth.net/jira/browse/SSPCPP-874",
              "refsource": "MISC",
              "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-874"
            },
            {
              "name": "https://bugzilla.suse.com/show_bug.cgi?id=1157471",
              "refsource": "MISC",
              "url": "https://bugzilla.suse.com/show_bug.cgi?id=1157471"
            },
            {
              "name": "openSUSE-SU-2020:0020",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00017.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-19191",
    "datePublished": "2019-11-21T17:06:45.000Z",
    "dateReserved": "2019-11-21T00:00:00.000Z",
    "dateUpdated": "2024-08-05T02:09:39.337Z",
    "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.

Detection rules are retrieved from Rulezet.

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.