CVE-2023-2317 (GCVE-0-2023-2317)

Vulnerability from cvelistv5 – Published: 2023-08-19 05:35 – Updated: 2024-10-07 19:57
VLAI
Title
Typora DOM-Based Cross-site Scripting leading to Remote Code Execution
Summary
DOM-based XSS in updater/update.html in Typora before 1.6.7 on Windows and Linux allows a crafted markdown file to run arbitrary JavaScript code in the context of Typora main window via loading typora://app/typemark/updater/update.html in <embed> tag. This vulnerability can be exploited if a user opens a malicious markdown file in Typora, or copies text from a malicious webpage and paste it into Typora.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-07 19:57 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
Impacted products
Vendor Product Version CPE status
Typora Typora Affected: 0 , < 1.6.7 (custom)
guessed Create a notification for this product.
typora typora Affected: 0 , < 1.6.7 (custom)
    cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-79",
                  "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-08-19T05:35:36.603Z",
            "orgId": "b1571b85-cbc9-431f-830b-0c8155323a69",
            "shortName": "STAR_Labs"
          },
          "references": [
            {
              "tags": [
                "release-notes"
              ],
              "url": "https://support.typora.io/What\u0027s-New-1.6/"
            },
            {
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://starlabs.sg/advisories/23/23-2317/"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Typora DOM-Based Cross-site Scripting leading to Remote Code Execution",
          "x_generator": {
            "engine": "Vulnogram 0.1.0-dev"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "b1571b85-cbc9-431f-830b-0c8155323a69",
        "assignerShortName": "STAR_Labs",
        "cveId": "CVE-2023-2317",
        "datePublished": "2023-08-19T05:35:36.603Z",
        "dateReserved": "2023-04-27T04:51:13.390Z",
        "dateUpdated": "2024-10-07T19:57:59.068Z",
        "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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Detection rules are retrieved from Rulezet.

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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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