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GSD-2023-5770

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject. The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2023-5770",
    "id": "GSD-2023-5770"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-5770"
      ],
      "details": "Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject.  The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.\n\n",
      "id": "GSD-2023-5770",
      "modified": "2023-12-13T01:20:50.650987Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2023-5770",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Proofpoint Enterprise Protection",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
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                                "versionType": "semver"
                              },
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            }
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      "data_version": "4.0",
      "description": {
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            "value": "Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject.  The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.\n\n"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-838",
                "lang": "eng",
                "value": "CWE-838 Inappropriate Encoding for Output Context"
              }
            ]
          }
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      },
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        "reference_data": [
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            "refsource": "MISC",
            "url": "https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0009"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
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          {
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                    "criteria": "cpe:2.3:a:proofpoint:enterprise_protection:8.18.6:*:*:*:*:*:*:*",
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                "negate": false,
                "operator": "OR"
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        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject.  The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.\n\n"
          },
          {
            "lang": "es",
            "value": "Proofpoint Enterprise Protection contiene una vulnerabilidad en el agente de entrega de correo electr\u00f3nico que permite a un atacante no autenticado inyectar HTML codificado incorrectamente en el cuerpo de un mensaje de correo electr\u00f3nico a trav\u00e9s del asunto del correo electr\u00f3nico. La vulnerabilidad se debe a una codificaci\u00f3n inadecuada al reescribir el correo electr\u00f3nico antes de la entrega. Este problema afecta a Proofpoint Enterprise Protection: desde 8.20.2 antes del parche 4809, desde 8.20.0 antes del parche 4805, desde 8.18.6 antes del parche 4804 y todas las dem\u00e1s versiones anteriores."
          }
        ],
        "id": "CVE-2023-5770",
        "lastModified": "2024-01-18T15:54:37.647",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
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              "source": "security@proofpoint.com",
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        "published": "2024-01-09T22:15:43.400",
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            "source": "security@proofpoint.com",
            "tags": [
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            ],
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          }
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        "vulnStatus": "Analyzed",
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            ],
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            "type": "Secondary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • 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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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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