gsd-2021-34558
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.
Aliases
Aliases
CVE-2021-34558


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-34558",
    "description": "The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.",
    "id": "GSD-2021-34558",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-34558.html",
      "https://access.redhat.com/errata/RHSA-2022:0260",
      "https://access.redhat.com/errata/RHSA-2022:0237",
      "https://access.redhat.com/errata/RHSA-2022:0191",
      "https://access.redhat.com/errata/RHSA-2021:5086",
      "https://access.redhat.com/errata/RHSA-2021:5085",
      "https://access.redhat.com/errata/RHSA-2021:4914",
      "https://access.redhat.com/errata/RHSA-2021:4725",
      "https://access.redhat.com/errata/RHSA-2021:4722",
      "https://access.redhat.com/errata/RHSA-2021:4582",
      "https://access.redhat.com/errata/RHSA-2021:4226",
      "https://access.redhat.com/errata/RHSA-2021:4104",
      "https://access.redhat.com/errata/RHEA-2021:3941",
      "https://access.redhat.com/errata/RHSA-2021:3820",
      "https://access.redhat.com/errata/RHSA-2021:3759",
      "https://access.redhat.com/errata/RHSA-2021:3733",
      "https://access.redhat.com/errata/RHSA-2021:3598",
      "https://access.redhat.com/errata/RHSA-2021:3556",
      "https://access.redhat.com/errata/RHSA-2021:3555",
      "https://access.redhat.com/errata/RHSA-2021:3361",
      "https://access.redhat.com/errata/RHEA-2021:3287",
      "https://access.redhat.com/errata/RHSA-2021:3259",
      "https://access.redhat.com/errata/RHSA-2021:3248",
      "https://access.redhat.com/errata/RHSA-2021:3229",
      "https://access.redhat.com/errata/RHSA-2021:3146",
      "https://access.redhat.com/errata/RHSA-2021:3076",
      "https://access.redhat.com/errata/RHSA-2021:3015",
      "https://access.redhat.com/errata/RHSA-2021:3009",
      "https://access.redhat.com/errata/RHSA-2021:2984",
      "https://access.redhat.com/errata/RHSA-2021:2983",
      "https://access.redhat.com/errata/RHBA-2021:2979",
      "https://advisories.mageia.org/CVE-2021-34558.html",
      "https://security.archlinux.org/CVE-2021-34558",
      "https://access.redhat.com/errata/RHSA-2022:0577",
      "https://access.redhat.com/errata/RHSA-2022:0947",
      "https://access.redhat.com/errata/RHSA-2022:0988",
      "https://access.redhat.com/errata/RHSA-2022:0998",
      "https://access.redhat.com/errata/RHSA-2022:1329",
      "https://access.redhat.com/errata/RHSA-2022:1372",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-34558.html",
      "https://linux.oracle.com/cve/CVE-2021-34558.html",
      "https://access.redhat.com/errata/RHSA-2022:7954"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
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        "CVE-2021-34558"
      ],
      "details": "The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.",
      "id": "GSD-2021-34558",
      "modified": "2023-12-13T01:23:13.904045Z",
      "schema_version": "1.4.0"
    }
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.6,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 4.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-08-04T20:00Z",
      "publishedDate": "2021-07-15T14:15Z"
    }
  }
}


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