GSD-2019-18886

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
Aliases
Aliases
CVE-2019-18886
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{
  "GSD": {
    "alias": "CVE-2019-18886",
    "description": "An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.",
    "id": "GSD-2019-18886"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-18886"
      ],
      "details": "An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.",
      "id": "GSD-2019-18886",
      "modified": "2023-12-13T01:23:50.557359Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2019-18886",
        "STATE": "PUBLIC"
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      "affects": {
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          },
          {
            "name": "https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality",
            "refsource": "CONFIRM",
            "url": "https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=4.1.0,\u003c4.3.8",
          "affected_versions": "All versions starting from 4.1.0 before 4.3.8",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-200",
            "CWE-937"
          ],
          "date": "2019-12-03",
          "description": "The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality.",
          "fixed_versions": [
            "4.3.8"
          ],
          "identifier": "CVE-2019-18886",
          "identifiers": [
            "CVE-2019-18886"
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          "not_impacted": "All versions before 4.1.0, all versions starting from 4.3.8",
          "package_slug": "packagist/symfony/security-http",
          "pubdate": "2019-11-21",
          "solution": "Upgrade to version 4.3.8 or above.",
          "title": "Information Exposure",
          "urls": [
            "https://symfony.com/cve-2019-18886"
          ],
          "uuid": "1a9714fe-ff1b-4fa4-af6c-77bde42d811a"
        },
        {
          "affected_range": "\u003e=4.1.0,\u003c4.3.8",
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          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
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            "CWE-200",
            "CWE-937"
          ],
          "date": "2019-12-03",
          "description": "An issue was discovered in Symfony. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality.",
          "fixed_versions": [
            "4.3.8"
          ],
          "identifier": "CVE-2019-18886",
          "identifiers": [
            "CVE-2019-18886"
          ],
          "not_impacted": "All versions before 4.1.0, all versions starting from 4.3.8",
          "package_slug": "packagist/symfony/symfony",
          "pubdate": "2019-11-21",
          "solution": "Upgrade to version 4.3.8 or above.",
          "title": "Information Exposure",
          "urls": [
            "https://symfony.com/cve-2019-18886"
          ],
          "uuid": "35bc7d91-f58a-42bd-be40-c769a6e206b9"
        }
      ]
    },
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                "versionEndIncluding": "4.2.11",
                "versionStartIncluding": "4.2.0",
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                "cpe23Uri": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.3.7",
                "versionStartIncluding": "4.3.0",
                "vulnerable": true
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            }
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              "name": "https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality",
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            },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2021-07-21T11:39Z",
      "publishedDate": "2019-11-21T18:15Z"
    }
  }
}


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  • 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.



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