CVE-2023-25725

Published Feb 14, 2023

Last updated a year ago

CVSS critical 9.1

Overview

Description: HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka "request smuggling." The HTTP header parsers in HAProxy may accept empty header field names, which could be used to truncate the list of HTTP headers and thus make some headers disappear after being parsed and processed for HTTP/1.0 and HTTP/1.1. For HTTP/2 and HTTP/3, the impact is limited because the headers disappear before being parsed and processed, as if they had not been sent by the client. The fixed versions are 2.7.3, 2.6.9, 2.5.12, 2.4.22, 2.2.29, and 2.0.31.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.1
Impact score: 5.2
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: NVD-CWE-Other

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "5F291108-797E-4521-9309-9EB636C7D67E",
            "versionEndExcluding": "2.0.31"
          },
          {
            "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7D2C9AFB-4C4F-4641-B5B2-588D486EE0A9",
            "versionEndExcluding": "2.2.29",
            "versionStartIncluding": "2.1.0"
          },
          {
            "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6D101B93-F6E0-450C-B72B-477170BE6976",
            "versionEndExcluding": "2.4.22",
            "versionStartIncluding": "2.3.0"
          },
          {
            "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "68F54E28-B550-4CBF-9856-70A8596F3C98",
            "versionEndExcluding": "2.5.12",
            "versionStartIncluding": "2.5.0"
          },
          {
            "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "89FA706D-9EC7-4484-A5A4-4CB97B5194AB",
            "versionEndExcluding": "2.6.9",
            "versionStartIncluding": "2.6.0"
          },
          {
            "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "32B5DC1B-FD58-4050-8D84-31A381B89E90",
            "versionEndExcluding": "2.7.3",
            "versionStartIncluding": "2.7.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
          },
          {
            "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Risk scores

CVSS 3.1

Weaknesses

Social media

Configurations

References