fkie_cve-2021-40346
Vulnerability from fkie_nvd
Published
2021-09-08 17:15
Modified
2024-11-21 06:23
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.
References
cve@mitre.orghttps://git.haproxy.org/?p=haproxy.gitPatch, Vendor Advisory
cve@mitre.orghttps://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95Patch, Third Party Advisory
cve@mitre.orghttps://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/Exploit, Mitigation, Third Party Advisory
cve@mitre.orghttps://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120%40%3Cdev.cloudstack.apache.org%3E
cve@mitre.orghttps://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a%40%3Cdev.cloudstack.apache.org%3E
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/
cve@mitre.orghttps://www.debian.org/security/2021/dsa-4968Third Party Advisory
cve@mitre.orghttps://www.mail-archive.com/haproxy%40formilux.org
cve@mitre.orghttps://www.mail-archive.com/haproxy%40formilux.org/msg41114.html
af854a3a-2127-422b-91ae-364da2661108https://git.haproxy.org/?p=haproxy.gitPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/Exploit, Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120%40%3Cdev.cloudstack.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a%40%3Cdev.cloudstack.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4968Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/haproxy%40formilux.org
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/haproxy%40formilux.org/msg41114.html
Impacted products
Vendor Product Version
haproxy haproxy *
haproxy haproxy *
haproxy haproxy *
haproxy haproxy *
haproxy haproxy 2.5
haproxy haproxy 2.5
haproxy haproxy 2.5
haproxy haproxy 2.5
haproxy haproxy 2.5
haproxy haproxy 2.5
haproxy haproxy 2.5
debian debian_linux 11.0
fedoraproject fedora 33
fedoraproject fedora 34


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2050D7B9-9E52-4564-9136-ABDB74F447A4",
              "versionEndExcluding": "2.0.25",
              "versionStartIncluding": "2.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4F0B3A48-87CC-490D-8C45-8BD6CCC01F80",
              "versionEndExcluding": "2.2.17",
              "versionStartIncluding": "2.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "677D5326-42B8-4DF5-A4C3-AEA5EBBA2164",
              "versionEndExcluding": "2.3.14",
              "versionStartIncluding": "2.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CED60B4E-A8D6-47C8-8E62-FB1E8224E51F",
              "versionEndExcluding": "2.4.4",
              "versionStartIncluding": "2.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev0:*:*:*:*:*:*",
              "matchCriteriaId": "4FC0BDE1-8904-4E26-B218-9F5FFF0F6F5D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev1:*:*:*:*:*:*",
              "matchCriteriaId": "2325B4E6-F5FE-4978-8AD7-9FDBF8D0355C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev2:*:*:*:*:*:*",
              "matchCriteriaId": "CD24FF4B-8E71-4111-AA2E-DC4DBC7D4961",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev3:*:*:*:*:*:*",
              "matchCriteriaId": "4589E520-FABF-438D-A7FB-EEDFD6EF75E5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev4:*:*:*:*:*:*",
              "matchCriteriaId": "3F9374A2-4E60-4BD7-81B0-53A8CE8019D1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev5:*:*:*:*:*:*",
              "matchCriteriaId": "D2291792-4194-4708-93E8-762B920B6DB0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev6:*:*:*:*:*:*",
              "matchCriteriaId": "42A575A1-A115-4AE7-8FEF-40356A9B17CD",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
              "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs."
    },
    {
      "lang": "es",
      "value": "Se presenta un desbordamiento de enteros en HAProxy versiones 2.0 a 2.5, en la funci\u00f3n htx_add_header() que puede ser explotada para llevar a cabo un ataque de contrabando de peticiones HTTP, permitiendo a un atacante omitir todas las ACLs configuradas de HAProxy de peticiones http y posiblemente otras ACLs"
    }
  ],
  "id": "CVE-2021-40346",
  "lastModified": "2024-11-21T06:23:54.997",
  "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",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-08T17:15:12.457",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://git.haproxy.org/?p=haproxy.git"
    },
    {
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      "tags": [
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      "url": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95"
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    {
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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