CVE-2016-0756 (GCVE-0-2016-0756)

Vulnerability from cvelistv5 – Published: 2016-01-29 20:00 – Updated: 2024-08-05 22:30
VLAI
Summary
The generate_dialback function in the mod_dialback module in Prosody before 0.9.10 does not properly separate fields when generating dialback keys, which allows remote attackers to spoof XMPP network domains via a crafted stream id and domain name that is included in the target domain as a suffix.
CWE
  • n/a
References
Date Public
2016-01-27 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T22:30:04.031Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "FEDORA-2016-e2c5111eda",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176796.html"
          },
          {
            "name": "82241",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/82241"
          },
          {
            "name": "FEDORA-2016-5a5c85c5a8",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176914.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://prosody.im/issues/issue/596"
          },
          {
            "name": "[oss-security] 20160127 CVE-2016-0756: Prosody XMPP server: insecure dialback key generation/validation algorithm",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/01/27/10"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://blog.prosody.im/prosody-0-9-10-released/"
          },
          {
            "name": "DSA-3463",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2016/dsa-3463"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://prosody.im/security/advisory_20160127/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-01-27T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The generate_dialback function in the mod_dialback module in Prosody before 0.9.10 does not properly separate fields when generating dialback keys, which allows remote attackers to spoof XMPP network domains via a crafted stream id and domain name that is included in the target domain as a suffix."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-12-02T20:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "FEDORA-2016-e2c5111eda",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176796.html"
        },
        {
          "name": "82241",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/82241"
        },
        {
          "name": "FEDORA-2016-5a5c85c5a8",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176914.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://prosody.im/issues/issue/596"
        },
        {
          "name": "[oss-security] 20160127 CVE-2016-0756: Prosody XMPP server: insecure dialback key generation/validation algorithm",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/01/27/10"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://blog.prosody.im/prosody-0-9-10-released/"
        },
        {
          "name": "DSA-3463",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3463"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://prosody.im/security/advisory_20160127/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-0756",
    "datePublished": "2016-01-29T20:00:00.000Z",
    "dateReserved": "2015-12-16T00:00:00.000Z",
    "dateUpdated": "2024-08-05T22:30:04.031Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2016-0756",
      "date": "2026-09-22",
      "epss": "0.02055",
      "percentile": "0.80436"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7335EF0B-26AC-4407-880D-9A92F5D5D722",
                    "versionEndIncluding": "0.9.9",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The generate_dialback function in the mod_dialback module in Prosody before 0.9.10 does not properly separate fields when generating dialback keys, which allows remote attackers to spoof XMPP network domains via a crafted stream id and domain name that is included in the target domain as a suffix."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n generate_dialback en el m\u00f3dulo mod_dialback en Prosody en versiones anteriores a 0.9.10 no separa campos correctamente cuando genera claves de devoluci\u00f3n de llamada, lo que permite a atacantes remotos suplantar dominios de red XMPP a trav\u00e9s de una identidad de flujo y un nombre de dominio manipulados que est\u00e1n incluidos en el dominio objetivo como un sufijo."
          }
        ],
        "id": "CVE-2016-0756",
        "lastModified": "2026-05-06T22:30:45.220",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                "version": "3.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2016-01-29T20:59:06.560",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://blog.prosody.im/prosody-0-9-10-released/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176796.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176914.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2016/dsa-3463"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.openwall.com/lists/oss-security/2016/01/27/10"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/82241"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://prosody.im/issues/issue/596"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://prosody.im/security/advisory_20160127/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://blog.prosody.im/prosody-0-9-10-released/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176796.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176914.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2016/dsa-3463"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2016/01/27/10"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/82241"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://prosody.im/issues/issue/596"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://prosody.im/security/advisory_20160127/"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-11-21T12:10:30+00:00",
      "cve": "CVE-2016-0756",
      "id": "CVE-2016-0756",
      "initial_release_date": "2016-01-27T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "prosody: mod_dialback allows impersonation attacks",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-0756.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…