gsd-2021-40346
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
CVE-2021-40346


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-40346",
    "description": "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.",
    "id": "GSD-2021-40346",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-40346.html",
      "https://www.debian.org/security/2021/dsa-4968",
      "https://access.redhat.com/errata/RHSA-2022:0114",
      "https://access.redhat.com/errata/RHSA-2022:0024",
      "https://access.redhat.com/errata/RHSA-2021:5208",
      "https://access.redhat.com/errata/RHSA-2021:4118",
      "https://ubuntu.com/security/CVE-2021-40346",
      "https://security.archlinux.org/CVE-2021-40346"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-40346"
      ],
      "details": "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.",
      "id": "GSD-2021-40346",
      "modified": "2023-12-13T01:23:25.794604Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2021-40346",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
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              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
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          }
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      },
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                "lang": "eng",
                "value": "n/a"
              }
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          }
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      },
      "references": {
        "reference_data": [
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          },
          {
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          },
          {
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          },
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          },
          {
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          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
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              },
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              },
              {
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          },
          {
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          {
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            }
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        "problemtype": {
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          "reference_data": [
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2021-12-02T20:43Z",
      "publishedDate": "2021-09-08T17:15Z"
    }
  }
}


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