CVE-2019-9850 (GCVE-0-2019-9850)

Vulnerability from cvelistv5 – Published: 2019-08-15 21:30 – Updated: 2024-09-16 16:47
VLAI
Title
Insufficient url validation allowing LibreLogo script execution
Summary
LibreOffice is typically bundled with LibreLogo, a programmable turtle vector graphics script, which can execute arbitrary python commands contained with the document it is launched from. LibreOffice also has a feature where documents can specify that pre-installed scripts can be executed on various document script events such as mouse-over, etc. Protection was added, to address CVE-2019-9848, to block calling LibreLogo from script event handers. However an insufficient url validation vulnerability in LibreOffice allowed malicious to bypass that protection and again trigger calling LibreLogo from script event handlers. This issue affects: Document Foundation LibreOffice versions prior to 6.2.6.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • Insufficient url validation
Assigner
Document Fdn. CNA
CNA scorecard C 75/100 over 21 records in the last 180 days details
References
URL Tags
https://www.libreoffice.org/about-us/security/adv… x_refsource_CONFIRM
https://seclists.org/bugtraq/2019/Aug/28 mailing-listx_refsource_BUGTRAQ
https://www.debian.org/security/2019/dsa-4501 vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://usn.ubuntu.com/4102-1/ vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version CPE status
Document Foundation LibreOffice Affected: unspecified , < 6.2.6 (custom)
guessed Create a notification for this product.
Date Public
2019-08-15 00:00
Credits
Thanks to alex (@insertscript) for reporting this issue
Show details on NVD website
To clipboard 

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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMEGUWMWORC3DOVEHVXLFT3A5RSCMLBH/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WVSDPZJG3UA43X3JXRHJAWXLDZEW77LM/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://seclists.org/bugtraq/2019/Aug/28"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/4102-1/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2019/dsa-4501"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9850"
          }
        ],
        "sourceIdentifier": "security@documentfoundation.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T16:51:04+00:00",
      "cve": "CVE-2019-9850",
      "id": "CVE-2019-9850",
      "initial_release_date": "2019-08-15T00:00:00+00:00",
      "product_status:fixed": "1530",
      "product_status:known_affected": "133",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libreoffice: Insufficient URL validation allowing LibreLogo script execution",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-9850.json",
      "version": "3"
    }
  }
}



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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

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