GSD-2016-9955

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.
Aliases
Aliases
CVE-2016-9955
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{
  "GSD": {
    "alias": "CVE-2016-9955",
    "description": "The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.",
    "id": "GSD-2016-9955",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-9955.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-9955"
      ],
      "details": "The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.",
      "id": "GSD-2016-9955",
      "modified": "2023-12-13T01:21:21.554836Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
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        "ID": "CVE-2016-9955",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
              "product": {
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                    "product_name": "n/a",
                    "version": {
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      "references": {
        "reference_data": [
          {
            "name": "https://simplesamlphp.org/security/201612-02",
            "refsource": "CONFIRM",
            "url": "https://simplesamlphp.org/security/201612-02"
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          }
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    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c1.14.11",
          "affected_versions": "All versions before 1.14.11",
          "credit": "Thijs Kinkhorst",
          "cvss_v2": "AV:N/AC:H/Au:N/C:N/I:P/A:P",
          "cvss_v3": "CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-20",
            "CWE-937"
          ],
          "date": "2018-10-02",
          "description": "An incorrect check of return values in the signature validation utilities allows an attacker to get invalid signatures accepted as valid by forcing an error during validation. get those messages accepted as valid and coming from a trusted entity. In practice, this means full capabilities to impersonate any individual at a given service provider. This vulnerability is not to be confused with the one described and related to SAML 2 messages.",
          "fixed_versions": [
            "1.14.11"
          ],
          "identifier": "CVE-2016-9955",
          "identifiers": [
            "CVE-2016-9955"
          ],
          "not_impacted": "All versions starting from 1.14.11",
          "package_slug": "packagist/simplesamlphp/simplesamlphp",
          "pubdate": "2017-02-16",
          "solution": "Upgrade to version 1.14.11 or above.",
          "title": "Incorrect signature verification of SAML 1 messages",
          "urls": [
            "https://simplesamlphp.org/security/201612-02"
          ],
          "uuid": "775542ec-f81c-4732-bcb5-fa8c7b5a1179"
        }
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                "vulnerable": true
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        "description": {
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            }
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        "references": {
          "reference_data": [
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              "name": "https://simplesamlphp.org/security/201612-02",
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      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 4.9,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 1.0,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2018-10-02T15:52Z",
      "publishedDate": "2017-02-17T02:59Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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