GSD-2023-24068

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
** DISPUTED ** Signal Desktop before 6.2.0 on Windows, Linux, and macOS allows an attacker to modify conversation attachments within the attachments.noindex directory. Client mechanisms fail to validate modifications of existing cached files, resulting in an attacker's ability to insert malicious code into pre-existing attachments or replace them completely. A threat actor can forward the existing attachment in the corresponding conversation to external groups, and the name and size of the file will not change, allowing the malware to masquerade as another file. NOTE: the vendor disputes the relevance of this finding because the product is not intended to protect against adversaries with this degree of local access.
Aliases
Aliases
CVE-2023-24068
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{
  "GSD": {
    "alias": "CVE-2023-24068",
    "id": "GSD-2023-24068"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-24068"
      ],
      "details": "** DISPUTED ** Signal Desktop before 6.2.0 on Windows, Linux, and macOS allows an attacker to modify conversation attachments within the attachments.noindex directory. Client mechanisms fail to validate modifications of existing cached files, resulting in an attacker\u0027s ability to insert malicious code into pre-existing attachments or replace them completely. A threat actor can forward the existing attachment in the corresponding conversation to external groups, and the name and size of the file will not change, allowing the malware to masquerade as another file. NOTE: the vendor disputes the relevance of this finding because the product is not intended to protect against adversaries with this degree of local access.",
      "id": "GSD-2023-24068",
      "modified": "2023-12-13T01:20:57.786933Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2023-24068",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** DISPUTED ** Signal Desktop before 6.2.0 on Windows, Linux, and macOS allows an attacker to modify conversation attachments within the attachments.noindex directory. Client mechanisms fail to validate modifications of existing cached files, resulting in an attacker\u0027s ability to insert malicious code into pre-existing attachments or replace them completely. A threat actor can forward the existing attachment in the corresponding conversation to external groups, and the name and size of the file will not change, allowing the malware to masquerade as another file. NOTE: the vendor disputes the relevance of this finding because the product is not intended to protect against adversaries with this degree of local access."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://signal.org/en/download/windows",
            "refsource": "MISC",
            "url": "https://signal.org/en/download/windows"
          },
          {
            "name": "https://signal.org/download/macos",
            "refsource": "MISC",
            "url": "https://signal.org/download/macos"
          },
          {
            "name": "https://signal.org/download/linux",
            "refsource": "MISC",
            "url": "https://signal.org/download/linux"
          },
          {
            "name": "https://johnjhacking.com/blog/cve-2023-24068-cve-2023-24069/",
            "refsource": "MISC",
            "url": "https://johnjhacking.com/blog/cve-2023-24068-cve-2023-24069/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
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                    "criteria": "cpe:2.3:a:signal:signal-desktop:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C74B8BD8-C2D0-4E46-B228-97E539D033AD",
                    "versionEndIncluding": "6.2.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
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                "cpeMatch": [
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                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
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        "descriptions": [
          {
            "lang": "en",
            "value": "Signal Desktop before 6.2.0 on Windows, Linux, and macOS allows an attacker to modify conversation attachments within the attachments.noindex directory. Client mechanisms fail to validate modifications of existing cached files, resulting in an attacker\u0027s ability to insert malicious code into pre-existing attachments or replace them completely. A threat actor can forward the existing attachment in the corresponding conversation to external groups, and the name and size of the file will not change, allowing the malware to masquerade as another file. NOTE: the vendor disputes the relevance of this finding because the product is not intended to protect against adversaries with this degree of local access."
          },
          {
            "lang": "es",
            "value": "Signal Desktop anterior a 6.2.0 en Windows, Linux y macOS permite a un atacante modificar archivos adjuntos de conversaciones dentro del directorio attachments.noindex. Los mecanismos del cliente no logran validar las modificaciones de los archivos almacenados en cach\u00e9 existentes, lo que da como resultado la capacidad del atacante de insertar c\u00f3digo malicioso en archivos adjuntos preexistentes o reemplazarlos por completo. Un actor de amenazas puede reenviar el archivo adjunto existente en la conversaci\u00f3n correspondiente a grupos externos, y el nombre y el tama\u00f1o del archivo no cambiar\u00e1n, lo que permitir\u00e1 que el malware se haga pasar por otro archivo. NOTA: el proveedor cuestiona la relevancia de este hallazgo porque el producto no est\u00e1 destinado a proteger contra adversarios con este grado de acceso local."
          }
        ],
        "id": "CVE-2023-24068",
        "lastModified": "2024-04-11T01:18:59.043",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2023-01-23T07:15:10.967",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://johnjhacking.com/blog/cve-2023-24068-cve-2023-24069/"
          },
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            "tags": [
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            "tags": [
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            "url": "https://signal.org/en/download/windows"
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        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
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            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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