WID-SEC-W-2023-0716

Vulnerability from csaf_certbund - Published: 2023-03-22 23:00 - Updated: 2023-11-07 23:00
Summary
HAProxy Enterprise: Schwachstelle ermöglicht Offenlegung von Informationen
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: HAProxy Enterprise ist ein weit verbreiteter Open Source Software Load Balancer und Application Delivery Controller.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in HAProxy Enterprise ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme: - Sonstiges
CVE-2023-0836

Es existiert eine Schwachstelle in HAProxy Enterprise. Der Fehler besteht aufgrund von 5 Bytes, die bei der Kodierung des "FCGI_BEGIN_REQUEST"-Datensatzes im Verbindungspuffer uninitialisiert bleiben. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen für konfigurierte FastCGI-Backends offenzulegen.

Affected products
Product Identifier Version Remediation
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "HAProxy Enterprise ist ein weit verbreiteter Open Source Software Load Balancer und Application Delivery Controller.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in HAProxy Enterprise ausnutzen, um Informationen offenzulegen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-0716 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0716.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0716 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0716"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6496 vom 2023-11-07",
        "url": "https://access.redhat.com/errata/RHSA-2023:6496"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASHAPROXY2-2023-002 vom 2023-09-27",
        "url": "https://alas.aws.amazon.com/AL2/ALASHAPROXY2-2023-002.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5388 vom 2023-04-14",
        "url": "https://www.debian.org/security/2023/dsa-5388"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5994-1 vom 2023-04-03",
        "url": "https://ubuntu.com/security/notices/USN-5994-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla \u2013 Bug 2180746 vom 2023-03-22",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2180746"
      }
    ],
    "source_lang": "en-US",
    "title": "HAProxy Enterprise: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2023-11-07T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:47:06.698+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-0716",
      "initial_release_date": "2023-03-22T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-03-22T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-04-03T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-13T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-09-27T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "HAProxy Enterprise \u003c 2.2.27",
                "product": {
                  "name": "HAProxy Enterprise \u003c 2.2.27",
                  "product_id": "1343467",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:haproxy:haproxy:2.2.27"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "HAProxy Enterprise \u003c 2.4.21",
                "product": {
                  "name": "HAProxy Enterprise \u003c 2.4.21",
                  "product_id": "1343492",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:haproxy:haproxy:2.4.21"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "HAProxy Enterprise \u003c 2.5.11",
                "product": {
                  "name": "HAProxy Enterprise \u003c 2.5.11",
                  "product_id": "1343501",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:haproxy:haproxy:2.5.11"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "HAProxy Enterprise \u003c 2.6.8",
                "product": {
                  "name": "HAProxy Enterprise \u003c 2.6.8",
                  "product_id": "1343509",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:haproxy:haproxy:2.6.8"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "HAProxy Enterprise \u003c 2.7.1",
                "product": {
                  "name": "HAProxy Enterprise \u003c 2.7.1",
                  "product_id": "1343510",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:haproxy:haproxy:2.7.1"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "HAProxy Enterprise \u003c 2.8",
                "product": {
                  "name": "HAProxy Enterprise \u003c 2.8",
                  "product_id": "T026852",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:haproxy:haproxy:2.8"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Enterprise"
          }
        ],
        "category": "vendor",
        "name": "HAProxy"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-0836",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in HAProxy Enterprise. Der Fehler besteht aufgrund von 5 Bytes, die bei der Kodierung des \"FCGI_BEGIN_REQUEST\"-Datensatzes im Verbindungspuffer uninitialisiert bleiben. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen f\u00fcr konfigurierte FastCGI-Backends offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "67646",
          "T000126",
          "398363"
        ]
      },
      "release_date": "2023-03-22T23:00:00.000+00:00",
      "title": "CVE-2023-0836"
    }
  ]
}



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