Vulnerability-Lookup

CNVD-2020-04820

Vulnerability from cnvd - Published: 2020-02-12

Title

OAuth2 Proxy开放重定向漏洞

Description

OAuth2 Proxy是一款OAuth2代理服务程序。 OAuth2 Proxy存在输入验证漏洞，远程攻击者可利用该漏洞提交恶意的URI，诱使用户解析，可进行重定向攻击，获取敏感信息劫持会话等。

Severity

低

Patch Name

OAuth2 Proxy开放重定向漏洞的补丁

Patch Description

OAuth2 Proxy是一款OAuth2代理服务程序。 OAuth2 Proxy存在输入验证漏洞，远程攻击者可利用该漏洞提交恶意的URI，诱使用户解析，可进行重定向攻击，获取敏感信息劫持会话等。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0

Reference

https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2

Impacted products

Name
OAuth2 Proxy <5.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5233",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-5233"
    }
  },
  "description": "OAuth2 Proxy\u662f\u4e00\u6b3eOAuth2\u4ee3\u7406\u670d\u52a1\u7a0b\u5e8f\u3002\n\nOAuth2 Proxy\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u6076\u610f\u7684URI\uff0c\u8bf1\u4f7f\u7528\u6237\u89e3\u6790\uff0c\u53ef\u8fdb\u884c\u91cd\u5b9a\u5411\u653b\u51fb\uff0c\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u52ab\u6301\u4f1a\u8bdd\u7b49\u3002",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-04820",
  "openTime": "2020-02-12",
  "patchDescription": "OAuth2 Proxy\u662f\u4e00\u6b3eOAuth2\u4ee3\u7406\u670d\u52a1\u7a0b\u5e8f\u3002\r\n\r\nOAuth2 Proxy\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u6076\u610f\u7684URI\uff0c\u8bf1\u4f7f\u7528\u6237\u89e3\u6790\uff0c\u53ef\u8fdb\u884c\u91cd\u5b9a\u5411\u653b\u51fb\uff0c\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u52ab\u6301\u4f1a\u8bdd\u7b49\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": "OAuth2 Proxy\u5f00\u653e\u91cd\u5b9a\u5411\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "OAuth2 Proxy \u003c5.0"
  },
  "referenceLink": "https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2",
  "serverity": "\u4f4e",
  "submitTime": "2020-02-04",
  "title": "OAuth2 Proxy\u5f00\u653e\u91cd\u5b9a\u5411\u6f0f\u6d1e"
}

CVE-2020-5233 (GCVE-0-2020-5233)

Vulnerability from cvelistv5 – Published: 2020-01-30 17:45 – Updated: 2024-08-04 08:22

Title

Open Redirect in OAuth2 Proxy

Summary

OAuth2 Proxy before 5.0 has an open redirect vulnerability. Authentication tokens could be silently harvested by an attacker. This has been patched in version 5.0.

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L

CWE

CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/pusher/oauth2_proxy/security/a…	x_refsource_CONFIRM
https://github.com/pusher/oauth2_proxy/commit/a31…	x_refsource_MISC
https://github.com/pusher/oauth2_proxy/releases/t…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
pusher	OAuth2 Proxy	Affected: < 5.0.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:22:09.082Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OAuth2 Proxy",
          "vendor": "pusher",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 5.0.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "OAuth2 Proxy before 5.0 has an open redirect vulnerability. Authentication tokens could be silently harvested by an attacker. This has been patched in version 5.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-601",
              "description": "CWE-601: URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-30T17:45:17.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0"
        }
      ],
      "source": {
        "advisory": "GHSA-qqxw-m5fj-f7gv",
        "discovery": "UNKNOWN"
      },
      "title": "Open Redirect in OAuth2 Proxy",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2020-5233",
          "STATE": "PUBLIC",
          "TITLE": "Open Redirect in OAuth2 Proxy"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "OAuth2 Proxy",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c 5.0.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "pusher"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "OAuth2 Proxy before 5.0 has an open redirect vulnerability. Authentication tokens could be silently harvested by an attacker. This has been patched in version 5.0."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L",
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                  "value": "CWE-601: URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)"
                }
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            }
          ]
        },
        "references": {
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            {
              "name": "https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv",
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              "url": "https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv"
            },
            {
              "name": "https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2",
              "refsource": "MISC",
              "url": "https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2"
            },
            {
              "name": "https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0",
              "refsource": "MISC",
              "url": "https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0"
            }
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  "cveMetadata": {
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    "dateReserved": "2020-01-02T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:22:09.082Z",
    "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.

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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-2020-04820

CVE-2020-5233 (GCVE-0-2020-5233)

Tags

Sightings

Nomenclature

Related by attack behaviour