GSD-2017-2646

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2017-2646",
    "description": "It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.",
    "id": "GSD-2017-2646"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2017-2646"
      ],
      "details": "It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.",
      "id": "GSD-2017-2646",
      "modified": "2023-12-13T01:21:05.883828Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2017-2646",
        "STATE": "PUBLIC"
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      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "keycloak",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "2.5.5"
                        }
                      ]
                    }
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              "vendor_name": "Red Hat"
            }
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      "data_version": "4.0",
      "description": {
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            "value": "It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks."
          }
        ]
      },
      "impact": {
        "cvss": [
          [
            {
              "vectorString": "7.5/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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            "url": "http://www.securityfocus.com/bid/96882"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,2.5.5)",
          "affected_versions": "All versions before 2.5.5",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
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            "CWE-835",
            "CWE-937"
          ],
          "date": "2021-09-14",
          "description": "It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.",
          "fixed_versions": [
            "2.5.5"
          ],
          "identifier": "CVE-2017-2646",
          "identifiers": [
            "GHSA-jc6q-27mw-p55w",
            "CVE-2017-2646"
          ],
          "not_impacted": "All versions starting from 2.5.5",
          "package_slug": "maven/org.keycloak/keycloak-core",
          "pubdate": "2018-10-18",
          "solution": "Upgrade to version 2.5.5 or above.",
          "title": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2017-2646",
            "https://github.com/advisories/GHSA-jc6q-27mw-p55w"
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          "uuid": "33c401a5-ba22-4e31-8550-7566b3455a35"
        },
        {
          "affected_range": "\u003c2.5.5",
          "affected_versions": "All versions before 2.5.5",
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          "cwe_ids": [
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            "CWE-835",
            "CWE-937"
          ],
          "date": "2019-10-09",
          "description": "When Keycloak receives a Logout request in the middle of the request, the `SAMLSloRequestParser.parse()` method ends in an infinite loop. An attacker could use this flaw to conduct denial of service attacks.",
          "fixed_versions": [
            "2.5.5"
          ],
          "identifier": "CVE-2017-2646",
          "identifiers": [
            "CVE-2017-2646"
          ],
          "not_impacted": "All versions starting from 2.5.5",
          "package_slug": "npm/keycloak-connect",
          "pubdate": "2018-07-27",
          "solution": "Upgrade to version 2.5.5 or above.",
          "title": "Loop with Unreachable Exit Condition (Infinite Loop)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2017-2646",
            "http://www.securityfocus.com/bid/96882",
            "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646"
          ],
          "uuid": "9e73ab40-b6ca-4936-8adc-1ceeb3f05c9a"
        }
      ]
    },
    "nvd.nist.gov": {
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        "nodes": [
          {
            "children": [],
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                "cpe23Uri": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.5.5",
                "vulnerable": true
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        "description": {
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              "value": "It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646",
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            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "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": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2019-10-09T23:27Z",
      "publishedDate": "2018-07-27T18:29Z"
    }
  }
}



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