CVE-2023-6317 (GCVE-0-2023-6317)

Vulnerability from cvelistv5 – Published: 2024-04-09 13:41 – Updated: 2024-08-02 08:28
VLAI
Title
PIN/prompt bypass on the secondscreen.gateway service allows access to the SSAP API without user interaction
Summary
A prompt bypass exists in the secondscreen.gateway service running on webOS version 4 through 7. An attacker can create a privileged account without asking the user for the security PIN.  Full versions and TV models affected: webOS 4.9.7 - 5.30.40 running on LG43UM7000PLA webOS 5.5.0 - 04.50.51 running on OLED55CXPUA webOS 6.3.3-442 (kisscurl-kinglake) - 03.36.50 running on OLED48C1PUB   webOS 7.3.1-43 (mullet-mebin) - 03.33.85 running on OLED55A23LA
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-09 15:53 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version CPE status
LG WebOS Affected: 4.9.7
Affected: 5.5.0
Affected: 6.3.3-442
Affected: 7.3.1-43
guessed Create a notification for this product.
Date Public
2024-04-09 13:00
Show details on NVD website

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              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "A prompt bypass exists in the secondscreen.gateway service running on webOS version 4 through 7. An attacker can create a privileged account without asking the user for the security PIN.\u0026nbsp;\u003cbr\u003e\u003cbr\u003eFull versions and TV models affected:\u003cbr\u003e\u003cbr\u003ewebOS 4.9.7 - 5.30.40 running on LG43UM7000PLA \u003cbr\u003ewebOS 5.5.0 - 04.50.51 running on OLED55CXPUA \u003cbr\u003ewebOS 6.3.3-442 (kisscurl-kinglake) - 03.36.50 running on OLED48C1PUB \u0026nbsp;\u003cbr\u003ewebOS 7.3.1-43 (mullet-mebin) - 03.33.85 running on OLED55A23LA  \u003cbr\u003e"
                }
              ],
              "value": "A prompt bypass exists in the secondscreen.gateway service running on webOS version 4 through 7. An attacker can create a privileged account without asking the user for the security PIN.\u00a0\n\nFull versions and TV models affected:\n\nwebOS 4.9.7 - 5.30.40 running on LG43UM7000PLA \nwebOS 5.5.0 - 04.50.51 running on OLED55CXPUA \nwebOS 6.3.3-442 (kisscurl-kinglake) - 03.36.50 running on OLED48C1PUB \u00a0\nwebOS 7.3.1-43 (mullet-mebin) - 03.33.85 running on OLED55A23LA  \n"
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-115",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-115 Authentication Bypass"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.2,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-639",
                  "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2024-04-18T07:34:37.533Z",
            "orgId": "b3d5ebe7-963e-41fb-98e1-2edaeabb8f82",
            "shortName": "Bitdefender"
          },
          "references": [
            {
              "url": "https://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/"
            },
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lgsecurity.lge.com/bulletins/tv#updateDetails"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "An update to a newer firmware version fixes the issue."
                }
              ],
              "value": "An update to a newer firmware version fixes the issue."
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "PIN/prompt bypass on the secondscreen.gateway service allows access to the SSAP API without user interaction",
          "x_generator": {
            "engine": "Vulnogram 0.1.0-dev"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "b3d5ebe7-963e-41fb-98e1-2edaeabb8f82",
        "assignerShortName": "Bitdefender",
        "cveId": "CVE-2023-6317",
        "datePublished": "2024-04-09T13:41:34.843Z",
        "dateReserved": "2023-11-27T14:21:53.117Z",
        "dateUpdated": "2024-08-02T08:28:21.578Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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