GSD-2023-35941

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, a malicious client is able to construct credentials with permanent validity in some specific scenarios. This is caused by the some rare scenarios in which HMAC payload can be always valid in OAuth2 filter's check. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, avoid wildcards/prefix domain wildcards in the host's domain configuration.
Aliases
Aliases
CVE-2023-35941
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{
  "GSD": {
    "alias": "CVE-2023-35941",
    "id": "GSD-2023-35941"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-35941"
      ],
      "details": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, a malicious client is able to construct credentials with permanent validity in some specific scenarios. This is caused by the some rare scenarios in which HMAC payload can be always valid in OAuth2 filter\u0027s check. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, avoid wildcards/prefix domain wildcards in the host\u0027s domain configuration.",
      "id": "GSD-2023-35941",
      "modified": "2023-12-13T01:20:46.439908Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
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        "ID": "CVE-2023-35941",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "envoy",
                    "version": {
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                          "version_affected": "=",
                          "version_value": "\u003e= 1.26.0, \u003c 1.26.4"
                        },
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                          "version_affected": "=",
                          "version_value": "\u003e= 1.25.0, \u003c 1.25.9"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 1.24.0, \u003c 1.24.10"
                        },
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                          "version_affected": "=",
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                        }
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            "value": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, a malicious client is able to construct credentials with permanent validity in some specific scenarios. This is caused by the some rare scenarios in which HMAC payload can be always valid in OAuth2 filter\u0027s check. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, avoid wildcards/prefix domain wildcards in the host\u0027s domain configuration."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
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            "description": [
              {
                "cweId": "CWE-116",
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                "value": "CWE-116: Improper Encoding or Escaping of Output"
              }
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        "reference_data": [
          {
            "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-7mhv-gr67-hq55",
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            "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-7mhv-gr67-hq55"
          }
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      },
      "source": {
        "advisory": "GHSA-7mhv-gr67-hq55",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
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                "cpe23Uri": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
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          "ID": "CVE-2023-35941"
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        "data_type": "CVE",
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        "description": {
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              "value": "Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, a malicious client is able to construct credentials with permanent validity in some specific scenarios. This is caused by the some rare scenarios in which HMAC payload can be always valid in OAuth2 filter\u0027s check. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, avoid wildcards/prefix domain wildcards in the host\u0027s domain configuration."
            }
          ]
        },
        "problemtype": {
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              "description": [
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          "reference_data": [
            {
              "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-7mhv-gr67-hq55",
              "refsource": "MISC",
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                "Third Party Advisory"
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            }
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-08-02T18:34Z",
      "publishedDate": "2023-07-25T18:15Z"
    }
  }
}


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