ubuntu-cve-2021-44123
Vulnerability from osv_ubuntu
Published
2022-01-26 12:15
Modified
2026-04-07 09:31
Summary
Details

SPIP 4.0.0 is affected by a remote command execution vulnerability. To exploit the vulnerability, an attacker must craft a malicious picture with a double extension, upload it and then click on it to execute it.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "spip",
            "binary_version": "3.0.21-1ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "spip",
        "purl": "pkg:deb/ubuntu/spip@3.0.21-1ubuntu1+esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.20-1",
        "3.0.21-1",
        "3.0.21-1ubuntu1",
        "3.0.21-1ubuntu1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "spip",
            "binary_version": "3.1.4-4~deb9u5build0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "spip",
        "purl": "pkg:deb/ubuntu/spip@3.1.4-4~deb9u5build0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.4-4~deb9u5build0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.4-3",
        "3.1.4-4~deb9u3build0.18.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "spip",
            "binary_version": "3.2.7-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "spip",
        "purl": "pkg:deb/ubuntu/spip@3.2.7-1ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.7-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.2.4-1",
        "3.2.5-1",
        "3.2.7-1"
      ]
    }
  ],
  "aliases": [],
  "details": "SPIP 4.0.0 is affected by a remote command execution vulnerability. To exploit the vulnerability, an attacker must craft a malicious picture with a double extension, upload it and then click on it to execute it.",
  "id": "UBUNTU-CVE-2021-44123",
  "modified": "2026-04-07T09:31:14Z",
  "published": "2022-01-26T12:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-44123"
    },
    {
      "type": "REPORT",
      "url": "https://git.spip.net/spip/spip/commit/1cf91def15966406ddd0488cf9d1ecd1ae82d47a"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5482-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5482-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-44123"
    }
  ],
  "related": [
    "USN-5482-1",
    "USN-5482-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-44123"
  ]
}



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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.


Detection rules are retrieved from Rulezet.