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openldap — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2019-13057

An issue was discovered in the server in OpenLDAP before 2.4.48. When the server administrator delegates rootDN (database admin) privileges for certain databases but wants to maintain isolation (e.g., for multi-tenant deployments), slapd does not properly stop a rootDN from requesting authorization as an identity from another database during a SASL bind or with a proxyAuthz (RFC 4370) control. (It is not a common configuration to deploy a system where the server administrator and a DB administrator enjoy different levels of trust.)

Products
openldap
Affected versions
Not specified
Fixed versions
2.4.48+dfsg-1
CVEs
CVE-2019-13057
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 14:28 UTC · Revision 1

Source evidence

DEBIAN-CVE-2019-13057

core-osv · Original source

Published 26 Jul 2019, 13:15 UTC

An issue was discovered in the server in OpenLDAP before 2.4.48. When the server administrator delegates rootDN (database admin) privileges for certain databases but wants to maintain isolation (e.g., for multi-tenant deployments), slapd does not properly stop a rootDN from requesting authorization as an identity from another database during a SASL bind or with a proxyAuthz (RFC 4370) control. (It is not a common configuration to deploy a system where the server administrator and a DB administrator enjoy different levels of trust.)

osv:DEBIAN-CVE-2019-13057

openldap

Fixed versions: 2.4.48+dfsg-1

openldap

Fixed versions: 2.4.48+dfsg-1

openldap

Fixed versions: 2.4.48+dfsg-1

Complete source record
{
  "id": "2973e72a3968486c40176c5202e77b4056405867873b65a1d5306c760ae81820",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2019-13057",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2019-13057",
    "summary": "An issue was discovered in the server in OpenLDAP before 2.4.48. When the server administrator delegates rootDN (database admin) privileges for certain databases but wants to maintain isolation (e.g., for multi-tenant deployments), slapd does not properly stop a rootDN from requesting authorization as an identity from another database during a SASL bind or with a proxyAuthz (RFC 4370) control. (It is not a common configuration to deploy a system where the server administrator and a DB administrator enjoy different levels of trust.)",
    "evidence": "osv:DEBIAN-CVE-2019-13057",
    "products": [
      {
        "name": {
          "value": "openldap",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.48+dfsg-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openldap",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.48+dfsg-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openldap",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.48+dfsg-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2019-13057",
      "aliases": [
        "DEBIAN-CVE-2019-13057"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.48+dfsg-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openldap",
            "purl": "pkg:deb/debian/openldap?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-13057.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.48+dfsg-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openldap",
            "purl": "pkg:deb/debian/openldap?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-13057.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.4.48+dfsg-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openldap",
            "purl": "pkg:deb/debian/openldap?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-13057.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        }
      ],
      "modified": "2026-10-15T07:47:33.125271034Z",
      "provider": "osv",
      "upstream": [
        "CVE-2019-13057"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2019-13057"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2019-13057",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 322236,
  "published_at": "2019-07-26T13:15:12.317+00:00"
}