GSD-2012-5821

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
Lynx does not verify that the server's certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.
Aliases
Aliases
CVE-2012-5821
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{
  "GSD": {
    "alias": "CVE-2012-5821",
    "description": "Lynx does not verify that the server\u0027s certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.",
    "id": "GSD-2012-5821"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2012-5821"
      ],
      "details": "Lynx does not verify that the server\u0027s certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.",
      "id": "GSD-2012-5821",
      "modified": "2023-12-13T01:20:19.037281Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2012-5821",
        "STATE": "PUBLIC"
      },
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                    "version": {
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            "value": "Lynx does not verify that the server\u0027s certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function."
          }
        ]
      },
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                "value": "n/a"
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        "reference_data": [
          {
            "name": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351",
            "refsource": "CONFIRM",
            "url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351"
          },
          {
            "name": "USN-1642-1",
            "refsource": "UBUNTU",
            "url": "http://www.ubuntu.com/usn/USN-1642-1"
          },
          {
            "name": "lynx-ssl-spoofing(79930)",
            "refsource": "XF",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/79930"
          },
          {
            "name": "MDVSA-2013:101",
            "refsource": "MANDRIVA",
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:101"
          },
          {
            "name": "http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf",
            "refsource": "MISC",
            "url": "http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
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                    "criteria": "cpe:2.3:a:lynx:lynx:-:*:*:*:*:*:*:*",
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            "nodes": [
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            "lang": "en",
            "value": "Lynx does not verify that the server\u0027s certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function."
          },
          {
            "lang": "es",
            "value": "Lynx no verifica que el certificado del servidor est\u00e1 firmado por una autoridad de certificaci\u00f3n de confianza, lo que permite ataques man-in-the-middle con los que se falsifican servidores SSL mediante  certificados hechos a mano. Se trata de un problema relacionado con el uso indebido de una funci\u00f3n GnuTLS determinada."
          }
        ],
        "id": "CVE-2012-5821",
        "lastModified": "2024-02-09T03:18:43.307",
        "metrics": {
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              "baseSeverity": "MEDIUM",
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                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.8,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
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              "impactScore": 4.9,
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              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
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              "type": "Primary",
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                "attackComplexity": "HIGH",
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                "confidentialityImpact": "NONE",
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        },
        "published": "2012-11-04T22:55:04.827",
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            "source": "cve@mitre.org",
            "tags": [
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            "url": "http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf"
          },
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            "tags": [
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          },
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            "source": "cve@mitre.org",
            "tags": [
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          },
          {
            "source": "cve@mitre.org",
            "tags": [
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              "VDB Entry"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/79930"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
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            "url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-295"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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