ubuntu-cve-2020-24660
Vulnerability from osv_ubuntu
Published
2020-09-14 13:15
Modified
2025-10-24 04:48
Summary
Details

An issue was discovered in LemonLDAP::NG through 2.0.8, when NGINX is used. An attacker may bypass URL-based access control to protected Virtual Hosts by submitting a non-normalized URI. This also affects versions before 0.5.2 of the "Lemonldap::NG handler for Node.js" package.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-conf-perl",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "1.4.6-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@1.4.6-3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.3-1",
        "1.4.6-1",
        "1.4.6-2",
        "1.4.6-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "lemonldap-ng-fastcgi-server",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "lemonldap-ng-handler",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "1.9.16-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@1.9.16-2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.10-1",
        "1.9.13-2",
        "1.9.14-1",
        "1.9.15-1",
        "1.9.16-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "lemonldap-ng-fastcgi-server",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "lemonldap-ng-handler",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "lemonldap-ng-uwsgi-app",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "2.0.7+ds-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@2.0.7+ds-2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.5+ds-2",
        "2.0.6+ds-2",
        "2.0.7+ds-2"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in LemonLDAP::NG through 2.0.8, when NGINX is used. An attacker may bypass URL-based access control to protected Virtual Hosts by submitting a non-normalized URI. This also affects versions before 0.5.2 of the \"Lemonldap::NG handler for Node.js\" package.",
  "id": "UBUNTU-CVE-2020-24660",
  "modified": "2025-10-24T04:48:41Z",
  "published": "2020-09-14T13:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-24660"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-24660"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-24660"
  ]
}



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