usn-6530-2
Vulnerability from osv_ubuntu
Published
2024-07-23 16:55
Modified
2026-06-25 10:46
Summary
haproxy vulnerability
Details

Seth Manesse and Paul Plasil discovered that HAProxy incorrectly handled URI components containing the hash character (#). A remote attacker could possibly use this issue to obtain sensitive information, or to bypass certain path_end rules.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-45539",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "haproxy",
            "binary_version": "1.6.3-1ubuntu0.3+esm1"
          },
          {
            "binary_name": "vim-haproxy",
            "binary_version": "1.6.3-1ubuntu0.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "haproxy",
        "purl": "pkg:deb/ubuntu/haproxy@1.6.3-1ubuntu0.3+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.3-1ubuntu0.3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.14-1",
        "1.5.15-1",
        "1.6.2-1",
        "1.6.2-2",
        "1.6.2-2ubuntu1",
        "1.6.2-2ubuntu3",
        "1.6.3-1",
        "1.6.3-1ubuntu0.1",
        "1.6.3-1ubuntu0.2",
        "1.6.3-1ubuntu0.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-45539",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "haproxy",
            "binary_version": "1.8.8-1ubuntu0.13+esm2"
          },
          {
            "binary_name": "vim-haproxy",
            "binary_version": "1.8.8-1ubuntu0.13+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "haproxy",
        "purl": "pkg:deb/ubuntu/haproxy@1.8.8-1ubuntu0.13+esm2?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.8-1ubuntu0.13+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.7.9-1ubuntu1",
        "1.7.9-1ubuntu2",
        "1.8.4-1",
        "1.8.7-1",
        "1.8.8-1",
        "1.8.8-1ubuntu0.1",
        "1.8.8-1ubuntu0.2",
        "1.8.8-1ubuntu0.3",
        "1.8.8-1ubuntu0.4",
        "1.8.8-1ubuntu0.6",
        "1.8.8-1ubuntu0.7",
        "1.8.8-1ubuntu0.8",
        "1.8.8-1ubuntu0.9",
        "1.8.8-1ubuntu0.10",
        "1.8.8-1ubuntu0.11",
        "1.8.8-1ubuntu0.13"
      ]
    }
  ],
  "aliases": [],
  "details": "Seth Manesse and Paul Plasil discovered that HAProxy incorrectly handled \nURI components containing the hash character (#). A remote attacker could \npossibly use this issue to obtain sensitive information, or to bypass \ncertain path_end rules.\n",
  "id": "USN-6530-2",
  "modified": "2026-06-25T10:46:17Z",
  "published": "2024-07-23T16:55:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6530-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-45539"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "haproxy vulnerability",
  "upstream": [
    "UBUNTU-CVE-2023-45539"
  ]
}



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