FKIE_CVE-2026-108269

Vulnerability from fkie_nvd - Published: 2026-10-09 22:16 - Updated: 2026-10-09 22:16
Severity
9.1 (Critical) - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
Remote Attestation TLS Clients provides multi-language utilities for verifying attested TLS connections. Prior to 0.5.0, the Rust and Go RA-TLS challenge verifiers accepted quote ReportData that was bound to the certificate public key and client nonce but not to the active TLS session before permitting application traffic. An attacker who obtained an enclave TLS private key could relay a genuine quote onto another connection, causing the clients to accept an attacker-terminated connection as the attested enclave. This issue is fixed in 0.5.0.
References
security-advisories@github.comhttps://github.com/Privasys/ra-tls-clients/commit/b8de9bcadd0f81ca8882d15095fc0d9c50e40148
security-advisories@github.comhttps://github.com/Privasys/ra-tls-clients/releases/tag/v0.5.0
security-advisories@github.comhttps://github.com/Privasys/ra-tls-clients/security/advisories/GHSA-5qrc-v874-mxvx
security-advisories@github.comhttps://github.com/Privasys/ra-tls-clients/security/advisories/GHSA-5qrc-v874-mxvx
security-advisories@github.comhttps://privasys.org/blog/binding-attestation-to-the-tls-session
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "ra-tls-clients",
          "vendor": "Privasys",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.5.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Remote Attestation TLS Clients provides multi-language utilities for verifying attested TLS connections. Prior to 0.5.0, the Rust and Go RA-TLS challenge verifiers accepted quote ReportData that was bound to the certificate public key and client nonce but not to the active TLS session before permitting application traffic. An attacker who obtained an enclave TLS private key could relay a genuine quote onto another connection, causing the clients to accept an attacker-terminated connection as the attested enclave. This issue is fixed in 0.5.0."
    }
  ],
  "id": "CVE-2026-108269",
  "lastModified": "2026-10-09T22:16:59.793",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-10-09T22:16:59.793",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Privasys/ra-tls-clients/commit/b8de9bcadd0f81ca8882d15095fc0d9c50e40148"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Privasys/ra-tls-clients/releases/tag/v0.5.0"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Privasys/ra-tls-clients/security/advisories/GHSA-5qrc-v874-mxvx"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/Privasys/ra-tls-clients/security/advisories/GHSA-5qrc-v874-mxvx"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://privasys.org/blog/binding-attestation-to-the-tls-session"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-346"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}



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