usn-4830-1
Vulnerability from osv_ubuntu
Published
2021-03-15 22:15
Modified
2026-04-27 14:11
Summary
okular vulnerability
Details

It was discovered that Okular mishandled certain crafted archives during extraction. An attacker could use this vulnerability to write arbitrary files to the filesystem.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-1000801",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libokular5core8",
            "binary_version": "4:17.12.3-0ubuntu1+esm1"
          },
          {
            "binary_name": "okular",
            "binary_version": "4:17.12.3-0ubuntu1+esm1"
          },
          {
            "binary_name": "okular-extra-backends",
            "binary_version": "4:17.12.3-0ubuntu1+esm1"
          },
          {
            "binary_name": "okular-mobile",
            "binary_version": "4:17.12.3-0ubuntu1+esm1"
          },
          {
            "binary_name": "qml-module-org-kde-okular",
            "binary_version": "4:17.12.3-0ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "okular",
        "purl": "pkg:deb/ubuntu/okular@4:17.12.3-0ubuntu1+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4:17.12.3-0ubuntu1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4:17.04.3-0ubuntu1",
        "4:17.08.3-0ubuntu1",
        "4:17.08.3-0ubuntu2",
        "4:17.12.2-0ubuntu3",
        "4:17.12.3-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Okular mishandled certain crafted archives during\nextraction. An attacker could use this vulnerability to write arbitrary\nfiles to the filesystem.",
  "id": "USN-4830-1",
  "modified": "2026-04-27T14:11:26Z",
  "published": "2021-03-15T22:15:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4830-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-1000801"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "okular vulnerability",
  "upstream": [
    "UBUNTU-CVE-2018-1000801"
  ]
}



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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.
  • 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.


Detection rules are retrieved from Rulezet.