« Back to list

CVE-2016-0741

Status: ModifiedHigh (7.5)—

slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (6)

Fedoraproject — 389 Directory ServerRedhat — Enterprise LinuxRedhat — Enterprise Linux DesktopRedhat — Enterprise Linux HPC NodeRedhat — Enterprise Linux ServerRedhat — Enterprise Linux Workstation

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2016-0741",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-04-19T21:59:06.973",
  "references": [
    {
      "url": "http://directory.fedoraproject.org/docs/389ds/releases/release-1-3-4-7.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0204.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/82343",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://fedorahosted.org/389/changeset/cd45d032421b0ecf76d8cbb9b1c3aeef7680d9a2/",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://fedorahosted.org/389/ticket/48412",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://directory.fedoraproject.org/docs/389ds/releases/release-1-3-4-7.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0204.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/82343",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://fedorahosted.org/389/changeset/cd45d032421b0ecf76d8cbb9b1c3aeef7680d9a2/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://fedorahosted.org/389/ticket/48412",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection."
    },
    {
      "lang": "es",
      "value": "slapd/connection.c en 389 Directory Server (anteriormente Fedora Directory Server) 1.3.4.x en versiones anteriores a 1.3.4.7 permite a atacantes remotos causar una denegación de servicio (bucle infinito y bloqueo de conexion) aprovechándose de una conexión cerrada de manera anómala."
    }
  ],
  "lastModified": "2026-06-17T00:38:08.060",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3C84489B-B08C-4854-8A12-D01B6E45CF79"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318"
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fedoraproject:389_directory_server:1.3.4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CA30F3F3-3384-4E46-B51F-FCAF43728779"
            },
            {
              "criteria": "cpe:2.3:a:fedoraproject:389_directory_server:1.3.4.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2AC25FDF-B453-471A-84B7-AFA08B6039CA"
            },
            {
              "criteria": "cpe:2.3:a:fedoraproject:389_directory_server:1.3.4.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C78CE214-54CB-4ECC-B45D-CFABF249E1E5"
            },
            {
              "criteria": "cpe:2.3:a:fedoraproject:389_directory_server:1.3.4.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6CCA8C87-70FF-488E-9A3F-26D77323AB75"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}