GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2019-11323 (GCVE-0-2019-11323)

Vulnerability from cvelistv5 – Published: 2019-05-09 13:42 – Updated: 2024-08-04 22:48
VLAI
Summary
HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error.
CWE
  • n/a
References
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T22:48:09.168Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-05-09T13:42:28.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-11323",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://git.haproxy.org/?p=haproxy.git;a=commit;h=8ef706502aa2000531d36e4ac56dbdc7c30f718d",
              "refsource": "MISC",
              "url": "http://git.haproxy.org/?p=haproxy.git;a=commit;h=8ef706502aa2000531d36e4ac56dbdc7c30f718d"
            },
            {
              "name": "https://www.mail-archive.com/haproxy@formilux.org/msg33410.html",
              "refsource": "CONFIRM",
              "url": "https://www.mail-archive.com/haproxy@formilux.org/msg33410.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-11323",
    "datePublished": "2019-05-09T13:42:28.000Z",
    "dateReserved": "2019-04-18T00:00:00.000Z",
    "dateUpdated": "2024-08-04T22:48:09.168Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2019-11323",
      "date": "2026-09-20",
      "epss": "0.0125",
      "percentile": "0.68072"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "04093011-83A2-4A8D-8D7B-49578D569200",
                  "versionEndExcluding": "1.9.7",
                  "versionStartIncluding": "1.9.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error."
        },
        {
          "lang": "es",
          "value": "HAProxy versi\u00f3n anterior a 1.9.7, maneja de forma incorrecta una recarga con teclas giradas, lo que desencadena el uso de las teclas HMAC sin inicializar y muy predecibles. Esto est\u00e1 relacionado con un fallo  del archivo include/types/ssl_sock.h."
        }
      ],
      "id": "CVE-2019-11323",
      "lastModified": "2024-11-21T04:20:53.240",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "NONE",
              "baseScore": 4.3,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "NONE",
              "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
              "version": "2.0"
            },
            "exploitabilityScore": 8.6,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.9,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            },
            "exploitabilityScore": 2.2,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2019-05-09T14:29:00.307",
      "references": [
        {
          "source": "cve@mitre.org",
          "url": "http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html"
        }
      ],
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-327"
            },
            {
              "lang": "en",
              "value": "CWE-908"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "04093011-83A2-4A8D-8D7B-49578D569200",
                    "versionEndExcluding": "1.9.7",
                    "versionStartIncluding": "1.9.2",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error."
          },
          {
            "lang": "es",
            "value": "HAProxy versi\u00f3n anterior a 1.9.7, maneja de forma incorrecta una recarga con teclas giradas, lo que desencadena el uso de las teclas HMAC sin inicializar y muy predecibles. Esto est\u00e1 relacionado con un fallo  del archivo include/types/ssl_sock.h."
          }
        ],
        "id": "CVE-2019-11323",
        "lastModified": "2024-11-21T04:20:53.240",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2019-05-09T14:29:00.307",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=8ef706502aa2000531d36e4ac56dbdc7c30f718d"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg33410.html"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-327"
              },
              {
                "lang": "en",
                "value": "CWE-908"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-01-13T21:26:02+00:00",
      "cve": "CVE-2019-11323",
      "id": "CVE-2019-11323",
      "initial_release_date": "2019-04-14T00:00:00+00:00",
      "product_status:known_not_affected": "24",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "haproxy: weak HMAC keys used to TLS session resumption after reload with rotated keys",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-11323.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-04-25T06:16:58Z",
      "cve": "CVE-2019-11323",
      "id": "CVE-2019-11323",
      "initial_release_date": "2023-02-15T04:12:41Z",
      "product_status:known_not_affected": "14",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-11323",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-11323.json",
      "version": "7"
    }
  }
}



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…